Alert archive / Texas / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 197, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Aug 10, 2004, 2:29 AM CDT for Hansford County, Texas. It was in force for 61 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 10, 2004, 2:29 AM CDT (07:29 UTC)
- Expired
- Aug 10, 2004, 3:30 AM CDT
- In force
- 61 min
- Issued by
- NWS Amarillo, TX
- Area
- Counties, with a storm outline in the text
County Hansford County, TX
The radar
The Amarillo radar (KAMA), 121 km from the middle of the area, began a volume at 07:31 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 10, 1:00 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 7.5 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
- 409 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 2592 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Aug 9, 3:44 PM CDT, 10 hours 45 minutes earlier.
Area forecast discussion, Aug 9, 3:44 PM CDT, 10 hours 45 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE AMARILLO TX 345 PM CDT MON AUG 9 2004 .DISCUSSION... DEWPOINTS FROM LATEST OBS INDICATE LOW LEVEL MOISTURE IS MIXING OUT A BIT IN THE SOUTHERN TEXAS PANHANDLE BUT IS HANGING TOUGH IN THE NORTHERN COUNTIES. THIS IS ALSO WHERE AN ENHANCED CU FIELD HAS DEVELOPED AND THERE SHOULD BE THUNDERSTORM DEVELOPMENT LATER THIS AFTERNOON INTO THIS EVENING...WITH INSTABILITY AND SHEAR PROFILES SUPPORTING SOME SEVERE. THE SAME COULD BE IN STORE FOR TOMORROW AS CONTINUED SOUTHERLY WINDS KEEP MOISTURE IN THE AREA...PLUS A COLD FRONT DROPPING INTO SOUTHERN KANSAS WILL ACT AS AN ADDITIONAL TRIGGER. THE COLD FRONT WILL MOVE THROUGH THE PANHANDLES TUE NIGHT WITH CONVECTION DEVELOPING ALONG THE FRONT IN KANSAS THEN MOVING SOUTH INTO THE AREA ALONG WITH THE FRONT. WENT LIKELY POPS IN THE OKLAHOMA PANHANDLE THEN GRADUALLY TAPERED THEM OFF TO THE SOUTH AS THE ATMOSPHERE STABILIZES OVERNIGHT. COOL TEMPS AND LOW POPS ARE IN THE FORECAST THE REMAINDER OF THE WEEK AS WEAK DISTURBANCES MOVE THROUGH THE NORTHWESTERLY UPPER FLOW AND OUR UNUSUAL SUMMER WEATHER CONTINUES. LOW CLOUDS SHOULD HANG AROUND THROUGH THU AND JUST AS THEY BEGIN TO BREAK OUT ANOTHER WEAK SURGE MAY MOVE THROUGH THE AREA PREVENTING A RAPID REBOUND IN HIGHS OVER THE WEEKEND. HAVE ADJUSTED TEMPS DOWN A BIT DURING THIS TIME PERIOD COMING MORE IN LINE WITH THE GFS ENSEMBLES AND ECMWF. WARMING MAY FINALLY BEGIN EARLY NEXT WEEK BUT WE SHOULD STILL STRUGGLE TO REACH 90 DEGREES. HENNIG && .PRELIMINARY POINT TEMPS/POPS... AMARILLO 65 90 60 73 / 30 40 40 30 BEAVER 66 90 57 73 / 50 60 60 20 BOISE CITY 61 89 56 70 / 50 60 60 20 BORGER 64 91 61 74 / 30 50 50 30 BOYS RANCH 64 91 61 74 / 30 40 40 30 CANYON 65 91 61 75 / 30 40 40 30 CLARENDON 66 93 62 76 / 30 40 40 30 DALHART 63 90 58 72 / 30 50 50 20 GUYMON 65 90 58 73 / 50 60 60 20 HEREFORD 64 93 60 77 / 30 40 40 30 LIPSCOMB 67 91 60 75 / 40 50 50 20 PAMPA 65 91 60 74 / 30 40 40 30 SHAMROCK 67 93 63 76 / 30 40 40 30 WELLINGTON 68 94 65 77 / 30 40 40 30 && .AMA WATCHES/WARNINGS/ADVISORIES... TX...NONE. OK...NONE. && 11/10
Hazardous weather outlook, Aug 10, 1:15 AM CDT, 1 hour 14 minutes before
TEXAS/OKLAHOMA PANHANDLES HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE AMARILLO TX 115 AM CDT TUE AUG 10 2004 OKZ001>003-TXZ001>020-101100- ARMSTRONG-BEAVER-CARSON-CIMARRON-COLLINGSWORTH-DALLAM-DEAF SMITH- DONLEY-GRAY-HANSFORD-HARTLEY-HEMPHILL-HUTCHINSON-LIPSCOMB-MOORE- OCHILTREE-OLDHAM-POTTER-RANDALL-ROBERTS-SHERMAN-TEXAS-WHEELER- 115 AM CDT TUE AUG 10 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA PANHANDLES. .DAY ONE... THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THE REST OF TONIGHT ACROSS ALL OF THE OKLAHOMA AND TEXAS PANHANDLES. SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS THE OKLAHOMA AND TEXAS PANHANDLES THE REST OF TONIGHT AS AN UPPER LEVEL LOW PRESSURE SYSTEM MOVES SOUTHEAST ACROSS THE SOUTHERN HIGH PLAINS FROM COLORADO. SOME OF THE STORMS WILL HAVE THE POTENTIAL TO BECOME SEVERE...WITH DAMAGING WINDS AND LARGE HAIL THE PRIMARY THREATS. IN ADDITION... LOCALLY HEAVY RAINFALL WILL BE POSSIBLE WITH THE STRONGEST STORMS. .DAYS TWO THROUGH SEVEN... SEVERE THUNDERSTORMS WITH LARGE HAIL AND DAMAGING WINDS WILL BE POSSIBLE IN ASSOCIATION WITH A COLD FRONT WHICH IS EXPECTED TO MOVE THROUGH THE PANHANDLES TUESDAY AFTERNOON AND TUESDAY NIGHT. LOCALLY HEAVY RAINFALL WILL ALSO BE POSSIBLE WITH ANY OF THE THUNDERSTORMS THAT FORM THIS WEEK...WHICH MAY LEAD TO LOCALIZED FLOODING OR FLASH FLOODING. .SPOTTER INFORMATION STATEMENT... EMERGENCY MANAGEMENT AND SPOTTER GROUPS ACROSS ALL OF THE OKLAHOMA AND TEXAS PANHANDLES SHOULD REMAIN ALERT AND BE READY FOR ACTIVATION THE REST OF TONIGHT...AND AGAIN TUESDAY AFTERNOON AND EVENING. ANDRADE
In the hours before
Local storm report, Aug 9, 8:36 PM CDT, 5 hours 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
836 PM CDT MON AUG 09 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0809 PM HAIL 6 SW AMARILLO 35.14N 101.89W
08/09/2004 1.00 INCH RANDALL TX AMATEUR RADIO
HILLSIDE AND I-27
0825 PM HAIL 6 N CANYON 35.07N 101.92W
08/09/2004 0.88 INCH RANDALL TX BROADCAST MEDIA
I-27 BETWEEN SUNDOWN AND MCCORMICK
&&
JCLocal storm report, Aug 9, 9:28 PM CDT, 5 hours 1 minute before
PRELIMINARY LOCAL STORM REPORT ... SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
928 PM CDT MON AUG 09 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0559 PM HAIL 3 E MIAMI 35.69N 100.59W
08/09/2004 0.88 INCH ROBERTS TX CO-OP OBSERVER
0726 PM HAIL 3 NE AMARILLO 35.23N 101.78W
08/09/2004 0.88 INCH POTTER TX BROADCAST MEDIA
32ND AND GRAND
0745 PM HAIL 3 S AMARILLO 35.16N 101.82W
08/09/2004 0.88 INCH RANDALL TX BROADCAST MEDIA
24TH AND CROCKETT
0754 PM HAIL 3 S AMARILLO 35.16N 101.82W
08/09/2004 0.88 INCH RANDALL TX AMATEUR RADIO
41ST AND WASHINGTON
0755 PM HAIL 7 S AMARILLO 35.10N 101.82W
08/09/2004 1.00 INCH RANDALL TX AMATEUR RADIO
58TH AND WESTERN
0801 PM HAIL 6 SSW AMARILLO 35.12N 101.86W
08/09/2004 0.75 INCH RANDALL TX NWS EMPLOYEE
0809 PM HAIL 6 SW AMARILLO 35.14N 101.89W
08/09/2004 1.00 INCH RANDALL TX AMATEUR RADIO
HILLSIDE AND I-27
0825 PM HAIL 6 N CANYON 35.07N 101.92W
08/09/2004 0.88 INCH RANDALL TX BROADCAST MEDIA
I-27 BETWEEN SUNDOWN AND MCCORMICK
&&
JCSpecial weather statement, Aug 10, 2:00 AM CDT, 29 minutes before
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</html>The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 7:27 PM CDT | Severe Thunderstorm Warning | AMA | Potter, Randall | 63 min |
| Aug 9, 8:30 PM CDT | Severe Thunderstorm Warning | AMA | Randall | 60 min |
| Aug 10, 6:35 PM CDT | Severe Thunderstorm Warning | AMA | Dallam | 55 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2004Every severe thunderstorm warning in 2004
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.