Alert archive / Texas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 59, NWS Corpus Christi, TX

May 25, 2020Webb County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at May 25, 2020, 7:22 PM CDT for Webb County, Texas. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 25, 2020, 7:22 PM CDT (00:22 UTC)
Expired: May 25, 2020, 8:00 PM CDT
In force: 38 min
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Webb County, TX

The radar

The Corpus Christi radar (KCRP), 179 km from the middle of the area, began a volume at 00:25 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 0.4 hours before the alert went out and 196 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 553 J/kg
Mixed-layer CIN: -299 J/kg
Mixed-layer LCL: 1339 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 163 m²/s²
0-3 km storm-relative helicity: 250 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -1.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Corpus Christi, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 25, 6:33 PM CDT, 49 minutes earlier.

Area forecast discussion, May 25, 6:33 PM CDT, 49 minutes before

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Hazardous weather outlook, May 25, 5:03 AM CDT, 14 hours 19 minutes before

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In the hours before

Special weather statement, May 25, 4:28 PM CDT, 2 hours 54 minutes before

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Special weather statement, May 25, 4:33 PM CDT, 2 hours 49 minutes before

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Special weather statement, May 25, 4:41 PM CDT, 2 hours 41 minutes before

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Special weather statement, May 25, 4:56 PM CDT, 2 hours 26 minutes before

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Special weather statement, May 25, 6:05 PM CDT, 1 hour 17 minutes before

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Special weather statement, May 25, 6:38 PM CDT, 44 minutes before

Special Weather Statement
National Weather Service Corpus Christi TX
638 PM CDT Mon May 25 2020

TXZ239-260030-
Webb-
638 PM CDT Mon May 25 2020

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN WEBB COUNTY...

At 638 PM CDT, a strong thunderstorm was located 9 miles west of
Aguilares, or 16 miles southeast of Laredo, moving east at 10 mph.

Winds in excess of 40 mph and nickel size hail are possible with this
storm.

Locations impacted include...
Aguilares and Mirando City.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 2736 9929 2749 9931 2761 9902 2729 9902
TIME...MOT...LOC 2338Z 252DEG 7KT 2744 9924

Huffman

The office that day

Everything else NWS Corpus Christi, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 25, 10:49 PM CDT	Special Weather Statement	CRP	Webb	41 min
May 25, 11:26 PM CDT	Special Weather Statement	CRP	Webb	49 min
May 25, 11:46 PM CDT	Areal Flood Advisory	CRP	Webb	59 min
May 26, 12:04 AM CDT	Special Weather Statement	CRP	Goliad, Victoria	41 min
May 26, 12:08 AM CDT	Severe Thunderstorm Warning	CRP	Duval, Jim Wells, Webb	28 min
May 26, 12:17 AM CDT	Tornado Warning	CRP	Duval	15 min
May 26, 12:33 AM CDT	Areal Flood Advisory	CRP	Duval, Webb	117 min
May 26, 12:41 AM CDT	Special Weather Statement	CRP	Bee, Goliad, Refugio, Victoria	49 min
May 26, 12:55 AM CDT	Special Weather Statement	CRP	Webb	50 min
May 26, 1:39 AM CDT	Special Weather Statement	CRP	Live Oak, McMullen	51 min
May 26, 2:16 AM CDT	Areal Flood Advisory	CRP	Bee, Goliad, Live Oak, McMullen, Victoria	59 min
May 26, 4:08 AM CDT	Special Weather Statement	CRP	Nueces	52 min
May 26, 5:33 AM CDT	Coastal Flood Advisory	CRP	Kleberg, Nueces	7 hr
May 26, 6:43 AM CDT	Small Craft Advisory	CRP		3 hr
May 26, 1:18 PM CDT	Coastal Flood Advisory	CRP	Kleberg, Nueces	3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2020 Every severe thunderstorm warning in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.