Alert archive / Texas / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 188, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Jul 17, 2015, 8:10 PM CDT for Deaf Smith County, Potter County, Randall County, Texas. It was in force for 50 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
- Jul 17, 2015, 8:10 PM CDT (01:10 UTC)
- Expired
- Jul 17, 2015, 9:00 PM CDT
- In force
- 50 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Deaf Smith County, TX, Potter County, TX, Randall County, TX
The radar
The Amarillo radar (KAMA), 41 km from the middle of the area, began a volume at 01:13 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 nearest sounding before it
Dodge City, (KDDC), launched 00:00Z, 1.2 hours before the alert went out and 357 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
- 1843 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 2467 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 138 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 8.5
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 Jul 17, 6:26 PM CDT, 1 hour 44 minutes earlier.
Area forecast discussion, Jul 17, 6:26 PM CDT, 1 hour 44 minutes before
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</html>Hazardous weather outlook, Jul 17, 3:19 PM CDT, 4 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 319 PM CDT FRI JUL 17 2015 OKZ001>003-TXZ001>020-180830- CIMARRON-TEXAS-BEAVER-DALLAM-SHERMAN-HANSFORD-OCHILTREE-LIPSCOMB- HARTLEY-MOORE-HUTCHINSON-ROBERTS-HEMPHILL-OLDHAM-POTTER-CARSON- GRAY-WHEELER-DEAF SMITH-RANDALL-ARMSTRONG-DONLEY-COLLINGSWORTH- 319 PM CDT FRI JUL 17 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA PANHANDLES. .DAY ONE...THIS AFTERNOON AND TONIGHT. ISOLATED TO SCATTERED THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND TONIGHT. A FEW STORMS MAY BECOME STRONG TO MARGINALLY SEVERE...WITH WIND GUSTS UP TO 60 MPH...SMALL HAIL...AND LOCALLY HEAVY RAIN THE PRIMARY HAZARDS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. THUNDERSTORMS WILL BE POSSIBLE ACROSS AT LEAST PORTIONS OF THE PANHANDLES SUNDAY NIGHT THROUGH WEDNESDAY NIGHT. WIDESPREAD SEVERE WEATHER IS NOT EXPECTED DURING THIS PERIOD...ALTHOUGH LOCALLY HEAVY RAINFALL...GUSTY WINDS...AND SMALL HAIL WILL BE POSSIBLE WITH SOME STRONGER STORMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. ELSENHEIMER
In the hours before
Special weather statement, Jul 17, 6:12 PM CDT, 1 hour 58 minutes before
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</html>Local storm report, Jul 17, 6:20 PM CDT, 1 hour 50 minutes before
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</html>Special weather statement, Jul 17, 7:16 PM CDT, 54 minutes before
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</html>Special weather statement, Jul 17, 7:26 PM CDT, 44 minutes before
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</html>Special weather statement, Jul 17, 7:48 PM CDT, 22 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 |
|---|---|---|---|---|
| Jul 17, 7:16 PM CDT | Special Weather Statement | AMA | Deaf Smith | 29 min |
| Jul 17, 7:26 PM CDT | Special Weather Statement | AMA | Randall | 34 min |
| Jul 17, 7:48 PM CDT | Special Weather Statement | AMA | Randall | 27 min |
| Jul 18, 6:59 PM CDT | Special Weather Statement | AMA | Texas | 31 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2015Every severe thunderstorm warning in 2015
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.