Alert archive / Texas / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 193, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Jul 3, 2017, 5:19 PM CDT for Deaf Smith County, Oldham County, Texas. It was in force for 86 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 3, 2017, 5:19 PM CDT (22:19 UTC)
- Expired
- Jul 3, 2017, 6:45 PM CDT
- In force
- 86 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 70.0 mph
Counties Deaf Smith County, TX, Oldham County, TX
The radar
The Amarillo radar (KAMA), 81 km from the middle of the area, began a volume at 22:21 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
Amarillo Airport, TX (KAMA), launched 12:00Z, 10.3 hours before the alert went out and 82 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
- 821 J/kg
- Mixed-layer CIN
- -324 J/kg
- Mixed-layer LCL
- 2010 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 141 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
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 3, 4:10 PM CDT, 1 hour 9 minutes earlier.
Area forecast discussion, Jul 3, 4:10 PM CDT, 1 hour 9 minutes before
Area Forecast Discussion National Weather Service Amarillo TX 410 PM CDT Mon Jul 3 2017 .DISCUSSION... No major changes to the forecast. Severe thunderstorms expected this evening across eastern sections where unstable airmass continues to warm. Weak northwest flow aloft expected to continue through Tuesday night . Have expanded chances for afternoon thunderstorms to include western sections on Tuesday where axis of higher instability expected to set up. Thunderstorms expected to continue into Tuesday evening. Flow aloft expected to become north and northeast Wednesday through Thursday, limiting potential for thunderstorms to move in from the higher terrain. Have introduced slight chance of thunderstorms Wednesday afternoon across southern sections where slightly higher instability and upslope flow expected to be positioned. Weak northwest flow aloft expected to resume Friday, with low thunderstorm pops included for Friday night through Saturday night. Cockrell && .PRELIMINARY POINT TEMPS/POPS... Amarillo TX 65 92 67 93 67 / 30 20 20 20 5 Beaver OK 63 92 69 95 68 / 40 10 20 5 0 Boise City OK 60 93 63 93 65 / 20 20 20 10 0 Borger TX 68 95 68 97 70 / 30 10 20 10 5 Boys Ranch TX 66 95 67 97 67 / 20 10 30 20 5 Canyon TX 64 93 67 94 67 / 30 20 30 20 5 Clarendon TX 66 91 70 90 69 / 40 20 30 20 10 Dalhart TX 63 95 64 96 65 / 20 20 30 10 0 Guymon OK 62 94 66 96 68 / 30 10 20 5 0 Hereford TX 64 94 66 95 66 / 30 20 30 20 5 Lipscomb TX 65 91 68 95 68 / 50 20 20 20 5 Pampa TX 66 92 68 94 67 / 30 20 20 20 5 Shamrock TX 67 92 70 93 69 / 50 20 30 20 5 Wellington TX 69 94 70 92 71 / 50 20 30 20 10 && .AMA Watches/Warnings/Advisories... TX...None. OK...None. && 07/03
Hazardous weather outlook, Jul 3, 3:49 PM CDT, 1 hour 30 minutes before
Hazardous Weather Outlook National Weather Service Amarillo TX 349 PM CDT Mon Jul 3 2017 OKZ001>003-TXZ001>020-041100- Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Lipscomb- Hartley-Moore-Hutchinson-Roberts-Hemphill-Oldham-Potter-Carson- Gray-Wheeler-Deaf Smith-Randall-Armstrong-Donley-Collingsworth- 349 PM CDT Mon Jul 3 2017 This Hazardous Weather Outlook is for the Texas and Oklahoma Panhandles. .DAY ONE...Through Tonight. Isolated to scattered thunderstorms are expected across the Texas and Oklahoma Panhandles, especially across the eastern Panhandles, where some storms are expected to become strong to severe with hail up to 2 inches in diameter and damaging winds up to 70 MPH will be possible. Locally heavy rains will likely occur, possibly leading to localized flooding. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Thunderstorms will be possible for various portions of the Panhandles Tuesday through Wednesday, and then again Friday night through Saturday night. Some storms Tuesday could become strong to marginally severe, producing one inch hail and 60 MPH gusts. Otherwise, the threat for organized severe weather will be low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated at this time. Cockrell
In the hours before
Local storm report, Jul 3, 3:30 PM CDT, 1 hour 49 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
330 PM CDT MON JUL 03 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0640 PM TSTM WND GST 6 WSW WARE 36.14N 102.79W
07/02/2017 E60 MPH DALLAM TX EMERGENCY MNGR
LATE REPORT OF THUNDERSTORM WIND GUSTS ESTIMATED UP TO
60 MPH.
1044 PM HAIL BUSHLAND 35.19N 102.06W
07/02/2017 E0.88 INCH POTTER TX NWS EMPLOYEE
ACCUMULATING HAIL
1046 PM HAIL BUSHLAND 35.19N 102.06W
07/02/2017 E1.00 INCH POTTER TX NWS EMPLOYEE
SOME QUARTERS WITHIN THE ACCUMULATING HAIL.
1052 PM HAIL 6 WNW TIMBERCREEK CANYO 35.10N 101.91W
07/02/2017 E0.75 INCH RANDALL TX TRAINED SPOTTER
SOME ACCUMULATING HAIL ON I 27 SOUTH AT SUNDOWN
&&
EVENT NUMBER AMA1700752 AMA1700749 AMA1700750 AMA1700751
EASpecial weather statement, Jul 3, 4:39 PM CDT, 40 minutes before
Special Weather Statement
National Weather Service Amarillo TX
439 PM CDT MON JUL 3 2017
TXZ009-010-032215-
Hemphill TX-Roberts TX-
439 PM CDT MON JUL 3 2017
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN ROBERTS AND
NORTHWESTERN HEMPHILL COUNTIES UNTIL 515 PM CDT...
At 439 PM CDT, Doppler radar was tracking a strong thunderstorm 12
miles south of Wolf Creek Park, or 16 miles northwest of Canadian,
moving east at 10 mph.
Nickel size hail and wind gusts of 50 to 55 mph will be possible with
this storm.
This storm will remain over mainly rural areas of northeastern
Roberts and northwestern Hemphill Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take shelter in a sturdy building if threatening weather approaches.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
A severe thunderstorm watch remains in effect until 1100 PM CDT for
the Panhandle of Texas.
LAT...LON 3589 10042 3594 10073 3603 10084 3606 10080
3606 10042
TIME...MOT...LOC 2139Z 271DEG 9KT 3603 10063
WardSpecial weather statement, Jul 3, 5:06 PM CDT, 13 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Special weather statement, Jul 3, 5:10 PM CDT, 9 minutes before
Special Weather Statement National Weather Service Amarillo TX 510 PM CDT MON JUL 3 2017 TXZ016-032315- Deaf Smith TX- 510 PM CDT MON JUL 3 2017 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN DEAF SMITH COUNTY UNTIL 615 PM CDT... At 510 PM CDT, Doppler radar was tracking a strong thunderstorm near Bootleg, or 10 miles north of Friona, moving east at 10 mph. Nickel size hail and wind gusts of 50 to 55 mph will be possible with this storm. Locations impacted include... Bootleg. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take shelter in a sturdy building if threatening weather approaches. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 3475 10286 3485 10288 3496 10251 3475 10245 TIME...MOT...LOC 2210Z 258DEG 9KT 3478 10278 Ward
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 7:37 PM CDT | Special Weather Statement | AMA | Hartley, Moore | 38 min |
| Jul 2, 8:19 PM CDT | Special Weather Statement | AMA | Hartley | 41 min |
| Jul 2, 8:32 PM CDT | Special Weather Statement | AMA | Potter | 43 min |
| Jul 2, 8:54 PM CDT | Special Weather Statement | AMA | Potter, Randall | 66 min |
| Jul 2, 9:02 PM CDT | Special Weather Statement | AMA | Oldham | 43 min |
| Jul 2, 9:59 PM CDT | Special Weather Statement | AMA | Potter | 46 min |
| Jul 2, 10:39 PM CDT | Special Weather Statement | AMA | Randall | 51 min |
| Jul 2, 10:50 PM CDT | Areal Flood Advisory | AMA | Potter, Randall | 3 hr |
| Jul 2, 11:50 PM CDT | Special Weather Statement | AMA | Randall | 55 min |
| Jul 3, 1:15 AM CDT | Special Weather Statement | AMA | Randall | 45 min |
| Jul 3, 4:08 PM CDT | Severe Thunderstorm Warning | AMA | Lipscomb, Ochiltree | 82 min |
| Jul 3, 4:39 PM CDT | Special Weather Statement | AMA | Roberts | 36 min |
| Jul 3, 5:06 PM CDT | Special Weather Statement | AMA | Dallam, Hartley | 54 min |
| Jul 3, 5:10 PM CDT | Special Weather Statement | AMA | Deaf Smith | 65 min |
| Jul 3, 5:26 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb, Ochiltree, Roberts | 94 min |
| Jul 3, 6:21 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith, Oldham, Potter, Randall | 54 min |
| Jul 3, 6:27 PM CDT | Special Weather Statement | AMA | Ochiltree | 33 min |
| Jul 3, 6:41 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb, Ochiltree, Roberts | 82 min |
| Jul 3, 3:40 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 80 min |
| Jul 3, 3:50 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 70 min |
| Jul 3, 4:48 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 87 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2017Every severe thunderstorm warning in 2017
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.