Alert archive / Texas / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 50, NWS Lubbock, TX
NWS Lubbock, TX issued this severe thunderstorm warning at May 4, 2015, 3:23 PM CDT for Yoakum County, Texas. It was in force for 20 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 4, 2015, 3:23 PM CDT (20:23 UTC)
- Expired
- May 4, 2015, 3:43 PM CDT
- In force
- 20 min
- Issued by
- NWS Lubbock, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Yoakum County, TX
The radar
The Lubbock radar (KLBB), 108 km from the middle of the area, began a volume at 20:23 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
Midland Regional, TX (KMAF), launched 12:00Z, 8.4 hours before the alert went out and 148 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.
- Mixed-layer CAPE
- 419 J/kg
- Mixed-layer CIN
- -200 J/kg
- Mixed-layer LCL
- 1214 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Lubbock, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 4, 12:48 PM CDT, 2 hours 35 minutes earlier.
Area forecast discussion, May 4, 12:48 PM CDT, 2 hours 35 minutes before
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</html>Hazardous weather outlook, May 4, 12:25 PM CDT, 2 hours 58 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LUBBOCK TX 1225 PM CDT MON MAY 4 2015 TXZ021>044-051730- PARMER-CASTRO-SWISHER-BRISCOE-HALL-CHILDRESS-BAILEY-LAMB-HALE- FLOYD-MOTLEY-COTTLE-COCHRAN-HOCKLEY-LUBBOCK-CROSBY-DICKENS-KING- YOAKUM-TERRY-LYNN-GARZA-KENT-STONEWALL- 1225 PM CDT MON MAY 4 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE EXTREME SOUTHERN TEXAS PANHANDLE...SOUTH PLAINS AND ROLLING PLAINS. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS MUCH OF THE OUTLOOK AREA THIS AFTERNOON. A FEW OF THESE STORMS COULD BECOME SEVERE AND PRODUCE LOCALLY HEAVY RAIN...WIND GUSTS TO 60 MPH AND HAIL TO PING PONG BALL SIZE. ADDITIONAL THUNDERSTORMS ARE EXPECTED TO FORM IN EASTERN NEW MEXICO AND MOVE EASTWARD ACROSS THE STATE LINE THIS EVENING. THIS ACTIVITY MAY BE BETTER ORGANIZED AND COULD BRING THE RISK OF WIND GUSTS TO 65 MPH ALONG WITH GOLF BALL SIZE HAIL TO THE WESTERN SOUTH PLAINS. THE THUNDERSTORMS ARE EXPECTED TO GROW INTO ONE OR MORE CONVECTIVE COMPLEXES TONIGHT AS THEY MOVE EAST AND NORTHEASTWARD OVER THE SOUTH PLAINS AND FAR SOUTHWEST TEXAS PANHANDLE. HEAVY RAINFALL AND THE THREAT FOR AREAS OF FLASH FLOODING AND INUNDATION FLOODING WILL WILL BECOME INCREASING LIKELY OVER MUCH OF THE CAPROCK TONIGHT INTO EARLY TUESDAY. A FLASH FLOOD WATCH IS IN EFFECT FROM LATE THIS AFTERNOON THROUGH EARLY TUESDAY MORNING FOR THE SOUTHWEST TEXAS PANHANDLE AND WESTERN AND CENTRAL SOUTH PLAINS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THE THREAT FOR HEAVY RAIN AND FLOODING MAY CONTINUE THROUGH MIDDAY TUESDAY...MAINLY ACROSS THE FAR SOUTHERN TEXAS PANHANDLE. ADDITIONAL SEVERE THUNDERSTORM DEVELOPMENT IS POSSIBLE TUESDAY AFTERNOON ACROSS MOST OF THE OUTLOOK AREA. THESE STORMS MAY ALSO PRODUCE HEAVY RAINFALL THAT COULD LEAD TO LOCALIZED FLOODING. STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE WEDNESDAY THROUGH SATURDAY...MAINLY ACROSS CENTRAL AND EASTERN PORTIONS OF THE OUTLOOK AREA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUESTED THIS AFTERNOON AND EVENING.
The office that day
Everything else NWS Lubbock, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 7:34 PM CDT | Special Weather Statement | LUB | Lamb | 26 min |
| May 3, 7:51 PM CDT | Severe Thunderstorm Warning | LUB | Hockley | 39 min |
| May 3, 8:16 PM CDT | Severe Thunderstorm Warning | LUB | Hockley, Lamb | 44 min |
| May 3, 8:28 PM CDT | Areal Flood Advisory | LUB | Hockley, Lamb | 3 hr |
| May 4, 5:33 AM CDT | Flash Flood Watch | LUB | Bailey, Briscoe, Castro, Cochran, Crosby, Floyd and 10 more | 29 hr |
| May 4, 3:26 PM CDT | Severe Thunderstorm Warning | LUB | Parmer | 26 min |
| May 4, 5:41 PM CDT | Areal Flood Advisory | LUB | Parmer | 3 hr |
| May 4, 5:47 PM CDT | Areal Flood Warning | LUB | Garza, Lynn, Terry | 3 hr |
| May 4, 5:53 PM CDT | Areal Flood Warning | LUB | Lubbock | 3 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 2015Every severe thunderstorm warning in 2015
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.