Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 4, NWS Lubbock, TX
NWS Lubbock, TX issued this severe thunderstorm warning at Apr 2, 1997, 9:09 PM CST for Crosby County, Texas. It was in force for 46 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 2, 1997, 9:09 PM CST (03:09 UTC)
- Expired
- Apr 2, 1997, 9:55 PM CST
- In force
- 46 min
- Issued by
- NWS Lubbock, TX
- Area
- Whole counties
County Crosby County, TX
The radar
The Lubbock radar (KLBB), 48 km from the middle of the area, began a volume at 03:11 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 2, 9:21 PM CST | Hail 0.75 | Crosbyton, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 2, 9:00 PM CST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 3.2 hours before the alert went out and 183 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
- 146 J/kg
- Mixed-layer CIN
- -240 J/kg
- Mixed-layer LCL
- 803 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 243 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLBB 030308 RRA SVRLBB TXC107-030355- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LUBBOCK TX 909 PM CST WED APR 2 1997 THE NATIONAL WEATHER SERVICE IN LUBBOCK TX HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 955 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWESTERN TEXAS ...CROSBY COUNTY AT 907 PM CST...A SEVERE THUNDERSTORM WAS INDICATED BY LUBBOCK DOPPLER RADAR 30 MILES SOUTH SOUTHWEST OF CROSBYTON NEAR THE COMMUNITY OF CAP ROCK MOVING NORTH AT 35 MPH. RADAR INDICATED 1/2 TO 1 INCH SIZED HAIL WITH THIS STORM. THIS STORM IS WILL MOVE OVER CAP ROCK AND THEN CONTINUE NORTH INTO MOSTLY RURAL AREAS. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A PLACE OF SAFETY...PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS. $$ JWL/WH .
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.
In the hours before
Local storm report, Apr 2, 7:28 PM CST, 1 hour 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NATIONAL WEATHER SERVICE LUBBOCK TX
729 PM CST WED APR 02 1997
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0500 PM SILVERTON TX .88 INCH HAIL
04/02/97 BRISCOE
0538 PM 9 NW DIMMITT TX .75 INCH HAIL
04/02/97 CASTRO REPORTED BY CASTRO COUNTY
SHERIFF'S OFFICE...HAIL
COVERED ROAD AT
INTERSECTION OF FM 1055
AND FM 2397
0616 PM 12 N DIMMITT TX .75 INCH HAIL
04/02/97 CASTRO REPORTED BY CASTRO COUNTY
SHERIFF'S OFFICE...PEA TO
* DIME SIZE HAIL 2-3 INCHES
DEEP COVERED HIGHWAY 2943
IN EXTREME NRN CASTRO AND
SRN DEAF SMITHLocal storm report, Apr 2, 7:29 PM CST, 1 hour 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NATIONAL WEATHER SERVICE LUBBOCK TX
729 PM CST WED APR 02 1997
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0500 PM SILVERTON TX .88 INCH HAIL
04/02/97 BRISCOE
0538 PM 9 NW DIMMITT TX .75 INCH HAIL
04/02/97 CASTRO REPORTED BY CASTRO COUNTY
SHERIFFS OFFICE...HAIL
COVERED ROAD AT
INTERSECTION OF FM 1055
AND FM 2397
0616 PM 12 N DIMMITT TX .75 INCH HAIL
04/02/97 CASTRO REPORTED BY CASTRO COUNTY
SHERIFFS OFFICE...PEA TO
DIME SIZE HAIL 2-3 INCHES
DEEP COVERED HIGHWAY 2943
IN EXTREME NRN CASTRO AND
SRN DEAF SMITHThe office that day
Everything else NWS Lubbock, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 2, 6:09 PM CST | Severe Thunderstorm Warning | LUB | Castro | 31 min |
| Apr 2, 8:17 PM CST | Severe Thunderstorm Warning | LUB | Garza | 48 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.