Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 143, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Jun 25, 2000, 7:41 PM CDT for Dallam County, Texas. It was in force for 34 min. No storm report in the archive falls 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.
The facts
- Issued
- Jun 25, 2000, 7:41 PM CDT (00:41 UTC)
- Expired
- Jun 25, 2000, 8:15 PM CDT
- In force
- 34 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Dallam County, TX
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 0.7 hours before the alert went out and 126 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
- 762 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 2765 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KAMA 260043 SVRAMA TXC111-260115- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AMARILLO TX 741 PM CDT SUN JUN 25 2000 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN DALLAM COUNTY IN THE TEXAS PANHANDLE * UNTIL 815 PM CDT * AT 741 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR CONLEN...OR ABOUT 15 MILES NORTHEAST OF DALHART...MOVING SOUTHEAST AT 25 MPH. * SOME LOCATIONS AFFECTED BY THE STORM INCLUDE... CONLEN LARGE HAIL...DAMAGING WINDS...AND TORRENTIAL RAINS ARE EXPECTED WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER. LAT...LON 3638 10228 3631 10248 3608 10244 3607 10218
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 Jun 25, 3:15 PM CDT, 4 hours 26 minutes earlier.
Area forecast discussion, Jun 25, 3:15 PM CDT, 4 hours 26 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION NATIONAL WEATHER SERVICE AMARILLO TX 315 PM CDT SUN JUN 25 2000 FIRST PERIOD OF FORECAST CONTAINS QUITE A BIT OF UNCERTAINTY. FIRST PERIOD IS REALLY SPLIT INTO TWO TIME PERIODS. PRIOR TO MIDNIGHT...AIRMASS OVER FORECAST AREA PLENTY JUICY...BUT AGAIN DECENT CAP OVER MUCH OF THE AREA EXCEPT FOR EASTERN SECTIONS. WILL LIKELY WAIT UNTIL LAST MINUTE FOR INITIAL POPS. MIDNIGHT THROUGH SUNRISE...MODELS IN FAIRLY GOOD AGREEMENT THROUGH MIDNIGHT WITH FRONT PUSHING INTO OK PANHANDLE. ETA AND NGM SPEED IT UP A LITTLE AND PUSH IT THROUGH THE PANHANDLES BY 12Z. AVN IS SLOWER. HOWEVER...WITH STRONG TSTM DEVELOPMENT EXPECTED ALONG FRONTAL BOUNDARY IN KANSAS TONIGHT...WOULD NOT BE SURPRISED TO SEE FRONT SWEEP IN AS ADVERTISED IN THE ETA/NGM SOLUTION. WILL INDICATE GOOD CHANCES FOR SHOWERS AND THUNDERSTORMS FROM NORTH TO SOUTH...ESPECIALLY AFTER MIDNIGHT. OTHER PROBLEM TO CONSIDER IS FLASH FLOOD POTENTIAL. HEAVY RAINFALL PAST 48 HOURS OVER THE NORTHCENTRAL TEXAS PANHANDLE. A CHECK WITH OFFICIALS HERE INDICATE HIGHLY SATURATED SOILS AND SWOLLEN CREEKS. WILL ISSUE A FLASH FLOOD WATCH FOR COUNTIES IN THE NORTH CENTRAL PANHANDLE TONIGHT AND EARLY MONDAY WITH PROSPECTS OF ADDITIONAL RAINFALL. FOLLOWING FRONTAL PASSAGE...STRONG UPSLOPE FLOW DEVELOPS ON MONDAY AND CONTINUES INTO TUESDAY. CLOUDY AND COOLER CONDITIONS A GIVEN... BUT POPS ARE QUESTIONABLE DEPENDING ON SHORT WAVE ACTIVITY AND BOUNDARIES THAT MAY DEVELOP IN THE WARMER AIR TO OUR WEST. BEST CHANCES DEFINITELY CENTRAL AND WEST WITH LEAST PROBABILITIES IN THE NORTHEAST. IN THE EXTENDED WILL CHANGE LITTLE FROM CURRENT FORECAST. MODELS INDICATE BUILDING RIDGE...WARMING TEMPERATURES AND RETURN TO NORTHWEST FLOW WITH SERIES OF WEAK SHORT WAVES. THEREFORE...CHANCES OF ACTIVITY MOVING IN FROM MOUNTAINS AGAIN AND CHANCE FOR THUNDERSTORMS EACH DAY. FRIDAY LOOKS MORE INTERESTING...BUT NOTE THE NCEPS PMDEPD AND POTENTIAL CONVECTIVE FEEDBACK PROBLEMS WITH MRF. PRELIM NUMBERS... AMA 65/79 61/82 61 443 DHT 61/76 57/80 61 433 .AMA... TX...FLASH FLOOD WATCH TONIGHT FOR TXZ002>004. OK...NONE. GARCIA/COBB/DAVIS
In the hours before
Special weather statement, Jun 25, 7:37 PM CDT, 4 minutes before
OKZ001>003-TXZ001>020-260300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 737 PM CDT SUN JUN 25 2000 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS CLEARED A PORTION OF SEVERE THUNDERSTORM WATCH 501. COUNTIES CLEARED INCLUDE: IN THE TEXAS PANHANDLE: OLDHAM...DEAF SMITH... SEVERE THUNDERSTORM WATCH 501 REMAINS VALID UNTIL 1000 PM CDT SUNDAY FOR THE FOLLOWING COUNTIES: IN THE OKLAHOMA PANHANDLE: CIMARRON...TEXAS...BEAVER... IN THE TEXAS PANHANDLE: DALLAM...SHERMAN...HANSFORD...OCHILTREE...POTTER...LIPSCOMB... HARTLEY...MOORE...HUTCHINSON...ROBERTS...HEMPHILL...CARSON...GRAY... WHEELER...RANDALL...ARMSTRONG...DONLEY...COLLINGSWORTH... WOLTuERS
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 7:07 PM CDT | Tornado Warning | AMA | Armstrong | 38 min |
| Jun 25, 7:16 PM CDT | Severe Thunderstorm Warning | AMA | Donley | 44 min |
| Jun 25, 7:23 PM CDT | Tornado Warning | AMA | Donley | 37 min |
| Jun 25, 11:09 PM CDT | Severe Thunderstorm Warning | AMA | Dallam | 36 min |
| Jun 25, 11:40 PM CDT | Severe Thunderstorm Warning | AMA | Dallam | 65 min |
| Jun 26, 2:54 AM CDT | Severe Thunderstorm Warning | AMA | Gray | 41 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; the sounding from the Mesonet's radiosonde archive.