Alert archive / Texas / Flash Flood Warnings in 2018

Flash Flood Warning 42, NWS San Angelo, TX

October 9, 2018Crockett County, Texas

NWS San Angelo, TX issued this flash flood warning at Oct 9, 2018, 4:20 AM CDT for Crockett County, Texas. It was in force for 89 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: Oct 9, 2018, 4:20 AM CDT (09:20 UTC)
Expired: Oct 9, 2018, 5:49 AM CDT
In force: 89 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Flood severity: None

County Crockett County, TX

The radar

The San Angelo radar (KSJT), 113 km from the middle of the area, began a volume at 09:24 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

Midland Regional, TX (KMAF), launched 00:00Z, 9.3 hours before the alert went out and 156 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 185 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 1544 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: -62 m²/s²
0-3 km storm-relative helicity: -71 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Oct 9, 4:07 AM CDT, 13 minutes earlier.

Area forecast discussion, Oct 9, 4:07 AM CDT, 13 minutes before

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Hazardous weather outlook, Oct 8, 2:21 PM CDT, 13 hours 59 minutes before

Hazardous Weather Outlook
National Weather Service San Angelo TX
221 PM CDT Mon Oct 8 2018

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-092100-
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-
221 PM CDT Mon Oct 8 2018

This Hazardous Weather Outlook is for portions of west central
Texas.

.DAY ONE...This Afternoon and Tonight

Heavy rainfall and a threat for flash flooding will possible
across the area through tonight. A Flash Flood Watch remains in
effect for the Big Country, Concho Valley, Northern Edwards
Plateau and Kimble and Menard counties until 7 AM Tuesday. A Flash
Flood Watch is also in effect until 3 PM Tuesday for the Heartland
counties and Mason county. A few strong to severe thunderstorms
will be possible mainly late tonight. Large hail and damaging
winds will be the main hazards, although an isolated tornado
cannot be ruled out.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Thunderstorms and heavy rainfall will be possible into Tuesday
morning. Heavy rainfall and potential flash flooding will be the
primary concerns. A few strong to severe thunderstorms will be
possible Tuesday morning. Large hail and damaging winds will be
the main hazards, although an isolated tornado cannot be ruled
out.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed late tonight and Tuesday morning.

SJH

In the hours before

Special weather statement, Oct 8, 10:25 PM CDT, 5 hours 55 minutes before

Special Weather Statement
National Weather Service San Angelo TX
1025 PM CDT MON OCT 8 2018

TXZ076-090415-
Crockett TX-
1025 PM CDT MON OCT 8 2018

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN CROCKETT COUNTY
UNTIL 1115 PM CDT...

At 1024 PM CDT, Doppler radar was tracking a strong thunderstorm 9
miles east of Terrell County Gas Plant, or 26 miles south of
Sheffield, moving northeast at 50 mph.

Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.

This storm will remain over mainly rural areas of southeastern
Crockett County, including the following locations... The
Intersection Of Ranch Road 2083 And Highway 405, Ft Lancaster, The
Intersection Of I-10 And Highway 405 and The Intersection Of I-10 And
Highway 290.

This includes Interstate 10 between Mile Markers 330 and 357.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

A Severe Thunderstorm Watch remains in effect until 100 AM CDT for
west central Texas.

LAT...LON 3029 10175 3034 10171 3034 10166 3039 10169
      3042 10174 3044 10172 3047 10173 3047 10169
      3052 10168 3055 10165 3062 10166 3067 10178
      3081 10176 3065 10124 3028 10154
TIME...MOT...LOC 0324Z 215DEG 42KT 3033 10170

Special weather statement, Oct 9, 1:32 AM CDT, 2 hours 48 minutes before

Special Weather Statement
National Weather Service San Angelo TX
132 AM CDT TUE OCT 9 2018

TXZ076-090715-
Crockett TX-
132 AM CDT TUE OCT 9 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL CROCKETT COUNTY
UNTIL 215 AM CDT...

At 131 AM CDT, Doppler radar was tracking a strong thunderstorm near
Iraan, or 12 miles northwest of Sheffield, moving northeast at 45
mph.

Dime size hail and wind gusts up to 50 mph will be possible with this
storm.

This storm will remain over mainly rural areas of north central
Crockett County, including the following locations... I-10 Near The
Crockett-Pecos County Line.

This includes Interstate 10 between Mile Markers 327 and 334.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

A Severe Thunderstorm Watch remains in effect until 700 AM CDT for
west central Texas.

LAT...LON 3108 10128 3068 10178 3070 10181 3075 10182
      3076 10184 3081 10183 3086 10185 3089 10189
      3092 10187 3099 10199 3098 10201 3100 10204
      3099 10209 3101 10217 3108 10221
TIME...MOT...LOC 0631Z 221DEG 38KT 3083 10194

Special weather statement, Oct 9, 2:17 AM CDT, 2 hours 3 minutes before

Special Weather Statement
National Weather Service San Angelo TX
217 AM CDT TUE OCT 9 2018

TXZ076-090800-
Crockett TX-
217 AM CDT TUE OCT 9 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN CROCKETT COUNTY
UNTIL 300 AM CDT...

At 217 AM CDT, Doppler radar was tracking a strong thunderstorm 15
miles east of Iraan, or 17 miles northeast of Sheffield, moving
northeast at 35 mph.

Wind gusts of 50 to 55 mph will be possible with this storm.

This storm will remain over mainly rural areas of northeastern
Crockett County, including the following locations... Ft Lancaster,
The Intersection Of I-10 And Highway 405 and The Intersection Of I-10
And Highway 290.

This includes Interstate 10 between Mile Markers 329 and 366.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

A Severe Thunderstorm Watch remains in effect until 700 AM CDT for
west central Texas.

LAT...LON 3062 10166 3065 10169 3066 10177 3068 10178
      3069 10179 3108 10187 3108 10125 3059 10116
TIME...MOT...LOC 0717Z 231DEG 31KT 3088 10163

Special weather statement, Oct 9, 2:52 AM CDT, 1 hour 28 minutes before

Special Weather Statement
National Weather Service San Angelo TX
252 AM CDT TUE OCT 9 2018

TXZ054-064-065-071-072-076>078-090845-
Irion TX-Schleicher TX-Tom Green TX-Crockett TX-Nolan TX-Coke TX-
Sterling TX-Sutton TX-
252 AM CDT TUE OCT 9 2018

...SIGNIFICANT WEATHER ADVISORY FOR COKE...WESTERN SCHLEICHER...
STERLING...CENTRAL TOM GREEN...CROCKETT...IRION AND WESTERN SUTTON
COUNTIES UNTIL 345 AM CDT...

At 251 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 10 miles west of Silver to 15 miles southwest
of Ozona. Movement was east at 45 mph.

Wind gusts of 50 to 55 mph will be possible with these storms.

Strong thunderstorms will be near...
  Silver around 305 AM CDT.
  Sanco and E.V. Spence Reservoir Near Paint Creek Recreation Area
  around 315 AM CDT.
  Robert Lee around 320 AM CDT.
  Bronte and Fort Chadbourne around 335 AM CDT.

Other locations impacted by these storms include The Intersection Of
Ranch Road 1828 And Ranch Road 915, The Intersection Of Ranch Road
2083 And Highway 405, Us-277 Near The Sutton-
Schleicher County Line, I-10 Near The Crockett-
Sutton County Line, The Intersection Of I-
10 And Ranch Road 1989, The Intersection Of I-
10 And Highway 290, The Intersection Of Us-
190 And Ranch Road 1828, The Intersection Of Us 190 And Highway 163,
The Intersection Of Highway 163 And Ranch Road 1973 and The
Intersection Of Highway 208 And Ranch Road 2662.

This includes Interstate 10 between Mile Markers 341 and 401.

A Severe Thunderstorm Watch remains in effect until 700 AM CDT for
west central Texas.

LAT...LON 3029 10175 3033 10173 3034 10166 3041 10171
      3108 10149 3108 10127 3177 10127 3209 10117
      3209 10021 3029 10069
TIME...MOT...LOC 0751Z 281DEG 42KT 3204 10085 3057 10141

Special weather statement, Oct 9, 3:22 AM CDT, 58 minutes before

Special Weather Statement
National Weather Service San Angelo TX
322 AM CDT TUE OCT 9 2018

TXZ049-054-065-066-113-114-127-128-139-090915-
Runnels TX-Fisher TX-Shackelford TX-Callahan TX-Nolan TX-Coleman TX-
Coke TX-Jones TX-Taylor TX-
322 AM CDT TUE OCT 9 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN COKE...WESTERN
CALLAHAN...SOUTHERN JONES...NORTHWESTERN COLEMAN...EASTERN NOLAN...
SOUTHWESTERN SHACKELFORD...SOUTHEASTERN FISHER...TAYLOR AND NORTHERN
RUNNELS COUNTIES UNTIL 415 AM CDT...

At 321 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Noodle to near Hylton. Movement was east
at 30 mph.

Wind gusts of 50 to 55 mph will be possible with these storms.

Strong thunderstorms will be near...
  Noodle around 330 AM CDT.
  Hawley and Bradshaw around 400 AM CDT.
  Abilene and Tuscola around 410 AM CDT.
  Lawn and Nugent around 415 AM CDT.

Other locations impacted by these storms include Impact, Lake
Abilene, Camp Tonkawa, Shep, Lake Fort Phantom Hill, Lake Sweetwater,
The Intersection Of Us-
180 And Farm Road 600, Ovalo, Hodges and Drasco.

This includes Interstate 20 between Mile Markers 250 and 299.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

A Severe Thunderstorm Watch remains in effect until 700 AM CDT for
west central Texas.

LAT...LON 3278 9947 3201 9958 3199 10036 3270 10031
TIME...MOT...LOC 0821Z 260DEG 25KT 3264 10012 3208 10021

Special weather statement, Oct 9, 4:19 AM CDT, 1 minute before

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The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 8, 7:58 PM CDT	Special Weather Statement	SJT	Nolan	47 min
Oct 8, 8:18 PM CDT	Special Weather Statement	SJT	Fisher	42 min
Oct 8, 9:33 PM CDT	Severe Thunderstorm Warning	SJT	Crockett	42 min
Oct 8, 9:48 PM CDT	Areal Flood Advisory	SJT	Nolan, Taylor	3 hr
Oct 8, 10:25 PM CDT	Special Weather Statement	SJT	Crockett	50 min
Oct 8, 10:30 PM CDT	Tornado Warning	SJT	Crockett	30 min
Oct 8, 10:56 PM CDT	Tornado Warning	SJT	Crockett	34 min
Oct 8, 11:03 PM CDT	Flash Flood Warning	SJT	Crockett	3 hr
Oct 9, 12:14 AM CDT	Tornado Warning	SJT	Sterling	31 min
Oct 9, 12:40 AM CDT	Tornado Warning	SJT	Sterling	35 min
Oct 9, 1:32 AM CDT	Special Weather Statement	SJT	Crockett	43 min
Oct 9, 1:45 AM CDT	Tornado Warning	SJT	Crockett	30 min
Oct 9, 2:17 AM CDT	Special Weather Statement	SJT	Crockett	43 min
Oct 9, 2:52 AM CDT	Special Weather Statement	SJT	Coke, Crockett, Irion, Sterling, Tom Green	53 min
Oct 9, 3:22 AM CDT	Special Weather Statement	SJT	Taylor	53 min
Oct 9, 3:30 AM CDT	Flash Flood Warning	SJT	Kimble	5 hr
Oct 9, 4:05 AM CDT	Areal Flood Advisory	SJT	Callahan, Coke, Jones, Nolan, Runnels, Shackelford and 1 more	115 min
Oct 9, 4:19 AM CDT	Special Weather Statement	SJT	Kimble, Mason	41 min
Oct 9, 4:58 AM CDT	Areal Flood Advisory	SJT	Mason	2 hr
Oct 9, 5:04 AM CDT	Areal Flood Advisory	SJT	Tom Green	116 min
Oct 9, 5:17 AM CDT	Areal Flood Advisory	SJT	Callahan, Coleman, Runnels, Shackelford, Taylor	118 min
Oct 9, 6:03 AM CDT	Areal Flood Advisory	SJT	San Saba	117 min
Oct 9, 6:30 AM CDT	Special Weather Statement	SJT	Coleman, Runnels	45 min
Oct 9, 7:36 AM CDT	Special Weather Statement	SJT	Brown, Coleman	39 min
Oct 9, 7:47 AM CDT	Special Weather Statement	SJT	McCulloch, Menard	43 min
Oct 9, 8:39 AM CDT	River Flood Warning	SJT	Jones	26 hr
Oct 9, 8:39 AM CDT	River Flood Warning	SJT	Shackelford, Throckmorton	31 hr
Oct 9, 8:46 AM CDT	Areal Flood Warning	SJT	Kimble	3 hr
Oct 9, 9:04 AM CDT	Areal Flood Advisory	SJT	McCulloch	3 hr
Oct 9, 9:14 AM CDT	Areal Flood Advisory	SJT	Mason	3 hr
Oct 9, 9:54 AM CDT	Areal Flood Advisory	SJT	San Saba	2 hr
Oct 9, 11:53 AM CDT	River Flood Warning	SJT	Coke	48 hr
Oct 9, 12:08 PM CDT	Areal Flood Warning	SJT	Kimble	6 hr

Nearby

Flash Flood Warnings in Texas, 2018 Every flash flood 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.