Alert archive / Texas / Special Weather Statements in 2018
Special Weather Statement, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this special weather statement at Mar 17, 2018, 10:13 PM CDT for Houston County, Texas. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 17, 2018, 10:13 PM CDT (03:13 UTC)
- Expired
- Mar 17, 2018, 11:00 PM CDT
- In force
- 47 min
- Issued by
- NWS Houston/Galveston, TX
County Houston County, TX
The radar
The Shreveport radar (KSHV), 193 km from the middle of the area, began a volume at 03:17 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
Shreveport, LA (KBAD), launched 00:00Z, 3.2 hours before the alert went out and 201 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
- 0 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Houston/Galveston, TX wrote its last area forecast discussion before this special weather statement went out at Mar 17, 10:05 PM CDT, 8 minutes earlier.
Area forecast discussion, Mar 17, 10:05 PM CDT, 8 minutes before
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</html>Hazardous weather outlook, Mar 17, 3:14 PM CDT, 6 hours 59 minutes before
Hazardous Weather Outlook National Weather Service Houston/Galveston TX 314 PM CDT Sat Mar 17 2018 TXZ163-164-176>179-195>200-210>214-226-227-235>238-182015- Austin-Brazoria-Brazos-Burleson-Chambers-Colorado-Fort Bend- Galveston-Grimes-Harris-Houston-Jackson-Liberty-Madison-Matagorda- Montgomery-Polk-San Jacinto-Trinity-Walker-Waller-Washington- Wharton- 314 PM CDT Sat Mar 17 2018 This hazardous weather outlook is for portions of Southeast Texas.. .DAY ONE...This Afternoon and Tonight A few strong to severe thunderstorms will be possible tonight north of a Bryan to Livingston line as a weak upper level disturbance moves across the state. The primary severe weather hazard will be large hail. .DAYS TWO THROUGH SEVEN...Sunday through Friday Dry air will move into Southeast Texas on Monday and humidity levels will fall below 20 percent. Elevated fire weather conditions will be possible as west winds increase to 15 to 20 mph. Elevated fire weather conditions will remain possible on Tuesday. .SPOTTER INFORMATION STATEMENT... Spotter activation will be be possible late this evening. GMZ330-335-350-355-370-375-182015- Coastal waters from Freeport to the Matagorda Ship Channel out 20 NM-Coastal waters from High Island to Freeport out 20 NM- Galveston Bay-Matagorda Bay- Waters from Freeport to the Matagorda Ship Channel from 20 to 60 NM-Waters from High Island to Freeport from 20 to 60 NM- 314 PM CDT Sat Mar 17 2018 This hazardous weather outlook is for portions of Southeast Texas.. .DAY ONE...This Afternoon and Tonight Sea fog will be possible and visibility could drop below a mile at times. .DAYS TWO THROUGH SEVEN...Sunday through Friday Sea fog will be possible and visibility could drop below a mile at times. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed.
In the hours before
Special weather statement, Mar 17, 8:07 PM CDT, 2 hours 6 minutes before
Special Weather Statement
National Weather Service Houston/Galveston TX
807 PM CDT SAT MAR 17 2018
TXZ163-176-180215-
Madison TX-Houston TX-
807 PM CDT SAT MAR 17 2018
...SPECIAL WEATHER STATEMENT...
At 806 PM CDT, Doppler radar was tracking a strong thunderstorm 13
miles southwest of Centerville, or 17 miles northwest of
Madisonville, moving east at 35 mph.
Half inch hail and winds in excess of 30 mph will be possible with
this storm.
Locations impacted include...
Crockett, Austonio, Lovelady and Latexo.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
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.
If on or near Houston County Lake, get out of the water and move
indoors or inside a vehicle. Remember, lightning can strike out to
10 miles from the parent thunderstorm. If you can hear thunder, you
are close enough to be struck by lightning. Move to safe shelter
now! Do not be caught on the water in a thunderstorm.
&&
A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
southeastern Texas.
LAT...LON 3127 9524 3107 9545 3099 9617 3107 9605
3109 9598 3109 9577 3114 9577 3116 9573
3121 9575 3123 9573 3127 9573 3132 9566
3134 9566 3135 9568 3136 9566 3137 9569
3139 9569 3149 9539
TIME...MOT...LOC 0106Z 251DEG 28KT 3111 9613Special weather statement, Mar 17, 9:44 PM CDT, 29 minutes before
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</html>The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 8:07 PM CDT | Special Weather Statement | HGX | Houston | 68 min |
| Mar 17, 8:29 PM CDT | Severe Thunderstorm Warning | HGX | Houston, Madison | 46 min |
| Mar 17, 9:06 PM CDT | Severe Thunderstorm Warning | HGX | Houston, Madison, Trinity, Walker | 39 min |
| Mar 17, 9:40 PM CDT | Severe Thunderstorm Warning | HGX | Houston, Trinity, Walker | 35 min |
| Mar 17, 9:44 PM CDT | Special Weather Statement | HGX | Houston | 46 min |
| Mar 17, 9:48 PM CDT | Special Weather Statement | HGX | Burleson | 57 min |
| Mar 18, 12:14 AM CDT | Marine Dense Fog Advisory | HGX | 10 hr | |
| Mar 18, 2:44 PM CDT | Fire Weather Watch | HGX | Austin, Brazos, Burleson, Grimes, Madison, Waller and 1 more | 14 hr |
| Mar 18, 4:33 PM CDT | Special Weather Statement | HGX | Burleson | 27 min |
| Mar 18, 4:44 PM CDT | Severe Thunderstorm Warning | HGX | Brazos, Burleson | 46 min |
| Mar 18, 4:57 PM CDT | Special Weather Statement | HGX | Brazos | 48 min |
| Mar 18, 5:03 PM CDT | Severe Thunderstorm Warning | HGX | Brazos, Grimes, Madison | 42 min |
| Mar 18, 5:29 PM CDT | Severe Thunderstorm Warning | HGX | Brazos, Burleson, Grimes, Washington | 31 min |
| Mar 18, 5:37 PM CDT | Special Weather Statement | HGX | Burleson | 23 min |
| Mar 18, 5:46 PM CDT | Severe Thunderstorm Warning | HGX | Brazos, Grimes, Houston, Madison, Walker | 44 min |
| Mar 18, 5:49 PM CDT | Severe Thunderstorm Warning | HGX | Burleson | 26 min |
| Mar 18, 6:01 PM CDT | Severe Thunderstorm Warning | HGX | Brazos, Burleson, Grimes | 29 min |
| Mar 18, 6:23 PM CDT | Special Weather Statement | HGX | Burleson | 37 min |
| Mar 18, 6:29 PM CDT | Severe Thunderstorm Warning | HGX | Houston, Madison, Polk, San Jacinto, Trinity, Walker | 46 min |
| Mar 18, 6:33 PM CDT | Severe Thunderstorm Warning | HGX | Brazos, Burleson, Grimes, Washington | 42 min |
Nearby
Special Weather Statements in Texas, 2018Every special weather statement 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.