Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 167, NWS Lubbock, TX
NWS Lubbock, TX issued this severe thunderstorm warning at Aug 23, 2001, 5:22 PM CDT for Hall County, Texas. It was in force for 38 min. 4 reports 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
- Aug 23, 2001, 5:22 PM CDT (22:22 UTC)
- Expired
- Aug 23, 2001, 6:00 PM CDT
- In force
- 38 min
- Issued by
- NWS Lubbock, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Hall County, TX
The radar
The Amarillo radar (KAMA), 122 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 23, 5:40 PM CDT | Hail 1 | Memphis, TX | Quarter size hail was reported by law enforcement officials. |
| Aug 23, 5:46 PM CDT | Hail 1.75 | Memphis, TX | Fire department storm spotters reported golfball size hail. |
| Aug 23, 5:50 PM CDT | Hail 2.5 | Memphis, TX | Fire department storm spotters reported golfball to tennis ball size hail. The hail lasted for approximately 20 minutes and damaged buildings, smashed windows out of automobiles and homes, and destroyed crops in the storm's path. |
| Aug 23, 5:55 PM CDT | Hail 2.5 | Memphis, TX | Tennis ball size hail was reported by fire department storm spotters. |
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 |
|---|---|---|---|
| Aug 23, 3:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 10.4 hours before the alert went out and 121 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
- 1321 J/kg
- Mixed-layer CIN
- -162 J/kg
- Mixed-layer LCL
- 1613 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 23, 3:20 PM CDT, 2 hours 2 minutes earlier.
Area forecast discussion, Aug 23, 3:20 PM CDT, 2 hours 2 minutes before
SOUTH PLAINS AREA FORECAST DISCUSSION...CORRECTED NATIONAL WEATHER SERVICE LUBBOCK TX 320 PM CDT THU AUG 23 2001 SHORT WAVE IN UPPER ATMOSPHERE MOVING EAST ACROSS NEW MEXICO THIS AFTERNOON IS HELPING ENHANCE THE LIFT COMING OUT OF EASTERN NEW MEXICO INTO THE FORECAST AREA THIS AFTERNOON. STEERING WINDS SHOULD MOVE THE THUNDERSTORMS EAST ACROSS THE AREA TONIGHT. THE FORECAST MODELS...ESPECIALLY THE ETA...MIXED OUT THE MOISTURE ACROSS THE AREA THIS AFTERNOON AND AS A RESULT HAVE SIGNIFICANTLY UNDERESTIMATED THE INSTABILITY. THUNDERSTORM WATCH HAS JUST BEEN ISSUED FOR PARTS OF THE SOUTH PLAINS SOUTHERN PANHANDLE WITH PRIMARY THREAT BEING DAMAGING WINDS WITH A LESSER PROBABILITY OF LARGE HAIL. THE SHORT WAVE MENTIONED ABOVE IS ROTATING AROUND THE BASE OF AN UPPER LOW OVER COLORADO THAT WILL SLOWLY MOVE EAST THROUGH THE SHORT TERM OF THE FORECAST. BY SATURDAY THE LOW SHOULD MOVE FAR ENOUGH EAST TO ALLOW A FRONT TO PUSH SOUTH INTO NORTHWEST TEXAS...POSSIBLY AS FAR SOUTH AS OUR FORECAST AREA. AVN MODEL IS SIGNIFICANTLY STRONGER WITH THIS FRONT ON SATURDAY. WILL HAVE TO WATCH THIS FEATURE A COUPLE MORE MODELS RUNS BEFORE GETTING TOO EXCITED ABOUT RAIN CHANCES SATURDAY...BUT WILL INCLUDE AT LEAST SOME POPS. BEYOND SATURDAY AND GOING ON THROUGH THE EXTENDED...WITH THE UPPER LOW MOVING EAST...THE SUBTROPICAL HIGH BECOMES MORE ESTABLISHED TO OUR WEST...PUTTING US IN A NORTHWEST FLOW ALOFT. THUS WILL INCLUDE A SLIGHT CHANCE OF THUNDERSTORMS...MAINLY OF THE NIGHTIME OR MORNING VARIETY. PRELIMINARY: FRI 64 92 63 90 / 40 10 20 20 TUL 64 92 63 90 / 40 10 20 20 CDS 71 97 71 95 / 40 10 20 20 BNF 69 95 69 93 / 40 10 20 20 LBB 69 95 69 93 / 40 10 20 20 ASP 71 97 71 95 / 40 10 20 20 .LUB...NONE.
The office that day
Everything else NWS Lubbock, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 4:26 PM CDT | Severe Thunderstorm Warning | LUB | Lamb | 49 min |
| Aug 23, 5:08 PM CDT | Severe Thunderstorm Warning | LUB | Hockley | 52 min |
| Aug 23, 5:55 PM CDT | Severe Thunderstorm Warning | LUB | Childress, Hall | 50 min |
| Aug 23, 6:04 PM CDT | Severe Thunderstorm Warning | LUB | Hockley | 26 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.