Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 20, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Mar 7, 2000, 2:55 PM CST for Hansford County, Texas. It was in force for 65 min. 2 reports came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Mar 7, 2000, 2:55 PM CST (20:55 UTC)
- Expired
- Mar 7, 2000, 4:00 PM CST
- In force
- 65 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Hansford County, TX
The radar
The Amarillo radar (KAMA), 123 km from the middle of the area, began a volume at 20:57 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 |
|---|---|---|---|
| Mar 7, 3:16 PM CST | Thunderstorm Wind 71 M | Gruver, TX | Measured off the SchoolNet weather equipment from local television station. |
| Mar 7, 3:25 PM CST | Thunderstorm Wind 69 M | Spearman, TX | Measured off the SchoolNet weather equipment from local television station. |
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 |
|---|---|---|---|
| Mar 7, 12:00 PM CST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 8.9 hours before the alert went out and 124 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
- 609 J/kg
- Mixed-layer CIN
- -171 J/kg
- Mixed-layer LCL
- 680 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 226 m²/s²
- 0-3 km storm-relative helicity
- 217 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KAMA 072057 SVRAMA TXC195-072200- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AMARILLO TX 255 PM CST TUE MAR 7 2000 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HANSFORD COUNTY IN THE TEXAS PANHANDLE * UNTIL 400 PM CST * AT 255 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 20 MILES WEST OF GRUVER TO 5 MILES SOUTHWEST OF STINNETT. THE LINE WAS MOVING EAST-NORTHEAST AT 20 MPH. * SOME LOCATIONS AFFECTED BY THE STORM INCLUDE... SPEARMAN...MORSE AND GRUVER LARGE HAIL...DAMAGING WINDS...AND TORRENTIAL RAINS ARE EXPECTED WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER. DESTRUCTIVE WINDS CAN BE EXPECTED. IF YOU CANNOT GET UNDERGROUND...GO TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS! A TORNADO WATCH IS ALSO IN EFFECiT. TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. LAT...LON 3649 10163 3605 10162 3607 10110 3649 10110
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 Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 7, 11:48 AM CST, 3 hours 7 minutes earlier.
Area forecast discussion, Mar 7, 11:48 AM CST, 3 hours 7 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE AMARILLO TX
1148 AM CST TUE MAR 7 2000
WILL BE ISSUING UPDATED ZONES SHORTLY TO REFLECT CURRENT/FCSTD WIND
AND CONVECTIVE/SEVERE WX WATCH TRENDS. MODEL PROGS FROM THIS MORNING
INDICATE STRONG WINDS BEHIND COLD FRONT THIS AFTERNOON AND TONIGHT
WITH GUSTS THAT MAY APPROACH 50 MPH. THEREFORE WIND ADVISORY WILL BE
ISSUED.
.AMA...
TX...WIND ADVISORY IN EFFECT THIS AFTERNOON TXZ001-006-011-016.
WIND ADVISORY IN EFFECT TONIGHT TXZ001>020.
OK...WIND ADVISORY IN EFFECT THIS AFTERNOON OKZ001.
WIND ADVISORY IN EFFECT TONIGHT OKZ001>003.
JHIn the hours before
Special weather statement, Mar 7, 2:29 PM CST, 26 minutes before
OKZ003-TXZ004-009-014-019-072100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 229 PM CST TUE MAR 7 2000 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS CLEARED THE FOLLOWING COUNTIES IN TORNADO WATCH 69 AND ARE NOW INCLUDED IN TORNADO WATCH 71 THAT IS IN EFFECT UNTIL 800 PM CST. COUNTIES IN THE OKLAHOMA PANHANDLE... BEAVER... IN THE NORTHERN TEXAS PANHANDLE... OCHILTREE...ROBERTS...GRAY AND DONLEY. JH
Special weather statement, Mar 7, 2:29 PM CST, 26 minutes before
OKZ003-TXZ004-009-014-019-072100- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE AMARILLO TX 229 PM CST TUE MAR 7 2000 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS CLEARED THE FOLLOWING COUNTIES IN TORNADO WATCH 69 AND ARE NOW INCLUDED IN TORNADO WATCH 71 THAT IS IN EFFECT UNTIL 800 PM CST. COUNTIES IN THE OKLAHOMA PANHANDLE... BEAVER... IN THE TEXAS PANHANDLE... OCHILTREE...ROBERTS...GRAY AND DONLEY. JH
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 2:28 PM CST | Severe Thunderstorm Warning | AMA | Carson, Hutchinson, Moore, Potter | 62 min |
| Mar 7, 2:35 PM CST | Severe Thunderstorm Warning | AMA | Armstrong | 25 min |
| Mar 7, 3:00 PM CST | Severe Thunderstorm Warning | AMA | Donley, Gray | 60 min |
| Mar 7, 3:37 PM CST | Severe Thunderstorm Warning | AMA | Roberts | 53 min |
| Mar 7, 3:45 PM CST | Severe Thunderstorm Warning | AMA | Wheeler | 45 min |
| Mar 7, 3:49 PM CST | Severe Thunderstorm Warning | AMA | Ochiltree | 56 min |
| Mar 7, 3:57 PM CST | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb | 63 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning in 2000
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.