Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 173, NWS Lubbock, TX

August 25, 2001Briscoe County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Aug 25, 2001, 5:23 PM CDT for Briscoe County, Texas. It was in force for 37 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
Aug 25, 2001, 5:23 PM CDT (22:23 UTC)
Expired
Aug 25, 2001, 6:00 PM CDT
In force
37 min
Issued by
NWS Lubbock, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Briscoe County, TX

The radar

The Amarillo radar (KAMA), 91 km from the middle of the area, began a volume at 22:25 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 25, 2:45 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.4 hours before the alert went out and 90 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-pSkew-T log-p diagram, Amarillo Airport, TX at 12:00Z on 2001-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 681 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 2001-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
681 J/kg
Mixed-layer CIN
-272 J/kg
Mixed-layer LCL
2354 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Aug 25, 3:15 PM CDT, 2 hours 8 minutes earlier.

Area forecast discussion, Aug 25, 3:15 PM CDT, 2 hours 8 minutes before
SOUTH PLAINS AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LUBBOCK TX
315 PM CDT SAT AUG 25 2001

THUNDERSTORMS CURRENTLY EXPANDING IN COVERAGE OVER THE PANHANDLE...
NORTHEAST NEW MEXICO AND THE WESTERN SOUTH PLAINS. UPPER LEVEL STORM
SYSTEM MOVING ACROSS COLORADO WILL CONTINUE TO MOVE SOUTH
SOUTHEASTWARD AND INTERACT WITH A SURFACE TROUGH ACROSS THE WESTERN
SOUTH PLAINS. A COLD FRONT LOCATED ACROSS THE PANHANDLE WILL BE
ENHANCED BY THE CONVECTION AND PUSH SOUTHWARD TONIGHT. WEAK UPPER
LEVEL FLOW AND PRECIPITABLE WATER VALUES SLIGHTLY ABOVE NORMAL
WARRANT THE MENTION OF LOCALLY HEAVY RAINFALL FOR TONIGHT. RAIN
CHANCES WILL DECREASE DURING THE DAY ON SUNDAY BUT WILL CONTINUE THE
CHANCE POPS. EXPECT COOLER CONDITIONS ON SUNDAY WITH ADDITIONAL
CLOUD COVER AND RAIN LINGERING THROUGH AT LEAST THE MORNING.

RAIN CHANCES SHOULD DECREASE THROUGH MID WEEK BEFORE ANOTHER STORM
SYSTEM PUSHES ANOTHER COLD FRONT INTO WEST TEXAS BY THE END OF THE
WEEK.
               FRIONA 61 82 59 86 9432     TULIA 62 83 60 87 9432
           BROWNFIELD 64 83 62 88 8532   LUBBOCK 65 83 63 88 8532
            CHILDRESS 67 84 66 88 9432 ASPERMONT 69 87 68 89 7532

.LUB...NONE.
MM

In the hours before

Special weather statement, Aug 25, 12:06 PM CDT, 5 hours 17 minutes before
TXZ021>044-251900-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE LUBBOCK TX
1206 PM CDT SAT AUG 25 2001

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
EVENING. THE SLIGHT RISK AREA IS NORTH OF A LINE FROM PADUCAH TO
FLOYDADA TO LITTLEFIELD TO MORTON.

AN UPPER LEVEL DISTURBANCE MOVING OUT OF COLORADO THIS AFTERNOON AND
WILL INTERACT WITH UNSTABLE AIR AND A SURFACE BOUNDARY MOVING INTO
THE SOUTH PLAINS THIS AFTERNOON. SCATTERED THUNDERSTORMS ARE EXPECTED
TO DEVELOP THIS AFTERNOON AND MAY PRODUCE LARGE HAIL AND DAMAGING
WIND.

SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON AND EVENING.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 5:32 PM CDTFlash Flood WarningLUBCochran2 hr
Aug 25, 6:15 PM CDTFlash Flood WarningLUBBriscoe3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning in 2001

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.