Alert archive / Texas / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 21, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Mar 23, 2007, 1:28 PM CDT for Hartley County, Oldham County, Texas. It was in force for 62 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 23, 2007, 1:28 PM CDT (18:28 UTC)
- Expired
- Mar 23, 2007, 2:30 PM CDT
- In force
- 62 min
- Issued by
- NWS Amarillo, TX
- Area
- Counties, with a storm outline in the text
Counties Hartley County, TX, Oldham County, TX
The radar
The Amarillo radar (KAMA), 83 km from the middle of the area, began a volume at 18:31 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 23, 2:00 PM CDT | HAIL 0.88 | Channing, TX | HAIL COVERED THE GROUND |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 6.5 hours before the alert went out and 84 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
- 831 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 801 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KAMA 231828 SVRAMA TXC205-359-231930- /O.NEW.KAMA.SV.W.0021.070323T1828Z-070323T1930Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AMARILLO TX 128 PM CDT FRI MAR 23 2007 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN HARTLEY COUNTY IN THE PANHANDLE OF TEXAS NORTH CENTRAL OLDHAM COUNTY IN THE PANHANDLE OF TEXAS * UNTIL 230 PM CDT * AT 126 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 14 MILES SOUTHWEST OF CHANNING...OR ABOUT 21 MILES NORTH OF VEGA...MOVING NORTH AT 35 MPH. * LOCATIONS IMPACTED INCLUDE... HARTLEY... CHANNING... BOYS RANCH... THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE AT 8 0 6 3 3 5 1 1 2 1. LAT...LON 3543 10263 3543 10222 3603 10219 3603 10262 $$
1 follow-up statement
000 WWUS54 KAMA 231856 SVSAMA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 155 PM CDT FRI MAR 23 2007 TXC359-231905- /O.CAN.KAMA.SV.W.0021.000000T0000Z-070323T1930Z/ OLDHAM TX- 155 PM CDT FRI MAR 23 2007 ...THE SEVERE THUNDERSTORM WARNING FOR OLDHAM COUNTY IS CANCELLED... THE SEVERE THUNDERSTORM WHICH WAS OVER NORTH CENTRAL OLDHAM COUNTY HAS MOVED NORTHEAST OUT OF THE COUNTY. LAT...LON 3564 10265 3564 10219 3603 10219 3603 10262 $$ TXC205-231930- /O.CON.KAMA.SV.W.0021.000000T0000Z-070323T1930Z/ HARTLEY TX- 155 PM CDT FRI MAR 23 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM CDT FOR EASTERN HARTLEY COUNTY... AT 150 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR CHANNING...OR ABOUT 26 MILES SOUTHWEST OF DUMAS...MOVING NORTHEAST AT 35 MPH. * LOCATIONS IMPACTED INCLUDE... CHANNING... HARTLEY... THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE AT 8 0 6 3 3 5 1 1 2 1. LAT...LON 3564 10265 3564 10219 3603 10219 3603 10262 $$
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 3:52 AM CDT | Flash Flood Watch | AMA | Armstrong, Carson, Collingsworth, Dallam, Deaf Smith, Donley and 14 more | 32 hr |
| Mar 23, 10:46 AM CDT | Severe Thunderstorm Warning | AMA | Randall | 59 min |
| Mar 23, 11:42 AM CDT | Severe Thunderstorm Warning | AMA | Potter | 63 min |
| Mar 23, 2:37 PM CDT | Severe Thunderstorm Warning | AMA | Moore | 23 min |
| Mar 23, 3:16 PM CDT | Severe Thunderstorm Warning | AMA | Sherman | 59 min |
| Mar 23, 3:57 PM CDT | Severe Thunderstorm Warning | AMA | Hansford | 49 min |
| Mar 23, 5:30 PM CDT | Severe Thunderstorm Warning | AMA | Dallam, Hartley | 60 min |
| Mar 23, 6:30 PM CDT | Severe Thunderstorm Warning | AMA | Dallam | 60 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2007Every severe thunderstorm warning in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.