Alert archive / Texas / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 5, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Mar 17, 2018, 5:55 PM CDT for San Saba 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
- Mar 17, 2018, 5:55 PM CDT (22:55 UTC)
- Expired
- Mar 17, 2018, 6:45 PM CDT
- In force
- 50 min
- Issued by
- NWS San Angelo, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County San Saba County, TX
The radar
The Ft Hood radar (KGRK), 145 km from the middle of the area, began a volume at 22:59 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 |
|---|---|---|---|
| Mar 17, 2:20 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 10.9 hours before the alert went out and 236 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2469 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- -22 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 San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 17, 3:25 PM CDT, 2 hours 30 minutes earlier.
Area forecast discussion, Mar 17, 3:25 PM CDT, 2 hours 30 minutes before
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Hazardous Weather Outlook National Weather Service San Angelo TX 229 PM CDT Sat Mar 17 2018 TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139- 140-154-155-168>170-181930- Fisher-Nolan-Sterling-Coke-Runnels-Irion-Tom Green-Concho- Crockett-Schleicher-Sutton-Haskell-Throckmorton-Jones-Shackelford- Taylor-Callahan-Coleman-Brown-McCulloch-San Saba-Menard-Kimble- Mason- 229 PM CDT Sat Mar 17 2018 This Hazardous Weather Outlook is for portions of west central Texas. .DAY ONE...This Afternoon and Tonight Scattered thunderstorms, a few reaching severe levels, will continue across portions of West Central Texas through around sunset. The main area of concern will be across the Heartland and eastern Big Country, mainly east of an Abilene to Ballinger to Brady line. Large hail will be the main threat, although there remains a small possibility of a brief tornado. .DAYS TWO THROUGH SEVEN...Sunday through Friday Critical fire weather conditions will be likely on Sunday, as gusty west winds combine with a dry air mass. The highest risk area will be west of an Abilene to San Angelo to Ozona line. Critical fire weather conditions are possible on Monday as well, across most of West Central Texas. Gusty northwest winds will again combine with a very dry air mass. .SPOTTER INFORMATION STATEMENT... Spotter activation will likely be requested this afternoon.
In the hours before
Special weather statement, Mar 17, 2:01 PM CDT, 3 hours 54 minutes before
Special Weather Statement National Weather Service San Angelo TX 201 PM CDT SAT MAR 17 2018 TXZ066-139-171930- Runnels TX-Coleman TX- 201 PM CDT SAT MAR 17 2018 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL RUNNELS COUNTY UNTIL 230 PM CDT... At 200 PM CDT, Doppler radar was tracking a strong thunderstorm near Norton, or near Ballinger, moving northeast at 25 mph. Half inch hail and wind gusts up to 50 mph will be possible with this storm. This strong thunderstorm will be near... Ballinger around 205 PM CDT. Hatchel around 215 PM CDT. Winters and Crews around 230 PM CDT. Other locations impacted by this storm include Ballinger Lake and Winters Little Elm Lake. LAT...LON 3172 10005 3180 10016 3208 9989 3187 9958 TIME...MOT...LOC 1900Z 231DEG 22KT 3180 10005 PO
Special weather statement, Mar 17, 4:16 PM CDT, 1 hour 39 minutes before
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</html>The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 1:13 PM CDT | Red Flag Warning | SJT | Coke, Crockett, Fisher, Haskell, Irion, Jones and 5 more | 32 hr |
| Mar 17, 2:01 PM CDT | Special Weather Statement | SJT | Runnels | 29 min |
| Mar 17, 2:09 PM CDT | Severe Thunderstorm Warning | SJT | Coleman, Runnels, Taylor | 51 min |
| Mar 17, 2:51 PM CDT | Severe Thunderstorm Warning | SJT | Brown | 24 min |
| Mar 17, 2:54 PM CDT | Fire Weather Watch | SJT | Brown, Callahan, Coke, Coleman, Concho, Crockett and 18 more | 24 hr |
| Mar 17, 4:16 PM CDT | Special Weather Statement | SJT | Coleman | 44 min |
| Mar 17, 5:20 PM CDT | Special Weather Statement | SJT | San Saba | 40 min |
| Mar 17, 5:45 PM CDT | Special Weather Statement | SJT | San Saba | 30 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2018Every severe thunderstorm warning in 2018
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.