StormIntelligence Digest – Friday, April 26, 2019 from our friends @WeatherGuidance

Hail Events:

There were no significant impacts from large hail in appreciably populated areas on Thursday.  Most of the hail on Thursday was less than 1 inch in diameter, and the majority of that occurred in rural and/or other sparsely populated areas.

Please also refer to applicable StormIntelligence hail data products for additional details.

Wind Events:

1a

A band of strong to severe thunderstorms produced widespread, 50-60 mph wind gusts across much of central and southeastern Louisiana on Thursday.  Baton Rouge is located within the purple circle on the above image.  A concentrated area of 60-65 mph winds occurred to the immediate Northwest and North of Baton Rouge, from the Maringouin area through Ventress, Hermitage and Port Hudson, into the Jackson, Ethel and Clinton areas (to the immediate South of the Mississippi/Louisiana border).

This narrow band of enhanced winds included the following:

Zip Code        Population   Homes           Businesses

70757            3100              1100              30

70783            2600              1000              20

70748            6700              1700              70

70730            3500              1300              15

Please also refer to applicable StormIntelligence wind data products for additional details.

 

Tornado Events:

There were no significant and/or noteworthy tornado events in populated areas on Thursday.

Please also refer to applicable StormIntelligence tornado data products for additional details.

Lightning Strike Activity:

1b

There were 1.2 million cloud to ground lightning strikes across the lower 48 United States on Thursday.  The strikes were particularly dense across portions of Florida, and on a scattered basis from the Ohio Valley into the mid-Atlantic region, and in the intermountain West.

Please also refer to applicable StormIntelligence lightning data products for additional details.

Update on the Tornado Events of 4/24/19 to pre-dawn 4/25/19 from the TX/LA border into northern LA:

1c

As noted in yesterday’s Digest, one or more tornadoes occurred from the San Augustine, TX area to the Ruston, LA area on Wednesday evening/pre-dawn Thursday morning.  The general path of these tornadoes is indicated by the blue shaded areas on the below image:

Preliminary ground survey data suggests that the following damage levels took place:

San Augustine, TX area:    EF2 (130 mph)

Converse, LA area:             EF1 (105 mph)

Lucky, LA area:                    EF1 (110 mph)

The most significant/noteworthy damage occurred in the Ruston, LA area, near the end of the general path of the tornadoes.  Here, damage of EF3 intensity (145 mph) took place, and the path length of that particularly tornado appears to have been just over 6 miles.  Unfortunately, 2 fatalities have been reported in the Ruston area so far.

1d

Radar indicated tornadic circulation(s) in the Ruston, LA area during the pre-dawn hours of 4/25/19

 

1e

Likely Tornado Damage in the Ruston, LA Area 4/25/19 (pre-dawn hours)

1f

Likely Tornado Damage in the Ruston, LA Area 4/25/19 (pre-dawn hours)

We will be posting detailed survey data via all applicable channels as it comes in throughout the day today.  Please refer to those data sets for additional details.

Severe Weather Outlooks for Today and Tomorrow

Today, Friday, 4/26/19:

1g

Isolated  instances of large hail are possible today from the Carolinas into the Delmarva region and southern portions of Pennsylvania and New Jersey.  Most of the hail in this area will average less than 1 inch in diameter.

1h

 

Scattered instances of damaging wind gusts are expected from eastern North Carolina into eastern Virginia and much of Maryland today.  The majority of the gusts will average 50-60 mph, with some peak 60-70 mph gusts possible on the high end.  This risk includes the Raleigh, Baltimore and Richmond areas.

1i

 

An isolated tornado is possible today from eastern North Carolina into eastern Virginia, much of Maryland, southeast Pennsylvania and southern New Jersey.  The chance of an isolated tornado is slightly higher in the brown shaded area on the image above, which includes the Baltimore/Washington area.  The tornado risk today mainly involves the brief, spin-up variety, hence the overall isolated risk today.

Please also refer to applicable StormIntelligence severe weather outlook products for additional details.

Tomorrow, Saturday, 4/27/19:

1j

There is a risk for isolated instances of hail and/or wind gusts approaching severe limits within the brown shaded areas on the above image on Saturday.  This includes portions of far southern Oklahoma into northern Texas, including the Wichita Falls and Dallas/Ft. Worth Metroplex areas.

 

Large Hail Risk                     Low to Moderate (average 1” diameter or smaller)

Wind Damage Risk             Low to Moderate (average 50-60 mph)

Tornado Risk                        Low

 

Please also refer to applicable StormIntelligence severe weather outlook products for additional details.

Wildfire Outlooks for Today and Tomorrow

Today, Friday, 4/26/19:

1k

There is an elevated risk for the development and spread of wildfires across portions of the Four Corners region, into northern and portions of central Arizona today.  This risk includes the Flagstaff area.

 

Please also refer to applicable StormIntelligence wildfire outlooks and data products for additional details, and the real time StormIntelligence wildfire data feeds as activity may occur.

 

Tomorrow, Saturday, 4/27/19:

 

At this time there is not a significant risk (above normal levels) of wildfire development and/or spread in any particular areas on Saturday.

Please also refer to applicable StormIntelligence wildfire outlooks and data products for additional details, and the real time StormIntelligence wildfire data feeds as activity may occur.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s