Alert archive / Texas / Areal Flood Warnings in 2017

Areal Flood Warning 1, NWS Midland/Odessa, TX

May 19, 2017Howard County, Mitchell County, Texas

NWS Midland/Odessa, TX issued this areal flood warning at May 19, 2017, 11:26 AM CDT for Howard County, Mitchell County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 19, 2017, 11:26 AM CDT (16:26 UTC)
Expired: May 19, 2017, 2:30 PM CDT
In force: 3 hr
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Flood severity: None

Counties Howard County, TX, Mitchell County, TX

The radar

The Midland/Odessa radar (KMAF), 103 km from the middle of the area, began a volume at 16:27 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

Del Rio, TX (KDLF), launched 12:00Z, 4.4 hours before the alert went out and 328 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: 2399 J/kg
Mixed-layer CIN: -82 J/kg
Mixed-layer LCL: 698 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 158 m²/s²
0-3 km storm-relative helicity: 278 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 10.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Midland/Odessa, TX wrote its last area forecast discussion before this areal flood warning went out at May 19, 10:23 AM CDT, 1 hour 3 minutes earlier.

Area forecast discussion, May 19, 10:23 AM CDT, 1 hour 3 minutes before

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Hazardous weather outlook, May 19, 10:41 AM CDT, 45 minutes before

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In the hours before

Special weather statement, May 19, 6:02 AM CDT, 5 hours 24 minutes before

Special Weather Statement
National Weather Service Midland/Odessa TX
602 AM CDT FRI MAY 19 2017

TXZ051-061-062-191145-
Midland TX-Martin TX-Ector TX-
602 AM CDT FRI MAY 19 2017

...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL ECTOR...NORTHERN
MIDLAND AND SOUTHERN MARTIN COUNTIES UNTIL 645 AM CDT...

At 602 AM CDT, Doppler radar was tracking a strong thunderstorm near
Midland International Air and Space Port, or near Odessa, moving
northeast at 35 mph.

Nickel size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Midland, Odessa, Stanton, Greenwood, West Odessa, Cotton Flat,
Midland International Air and Space Port, Warfield, Midland Airpark,
Courtney, Mission Dorado, Odessa Schelemeyer Field and Stanton
Municipal Aiport.

THIS INCLUDES Interstate 20 between mile markers 109 and 157.

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 900 AM CDT for
western Texas.

LAT...LON 3175 10247 3188 10254 3209 10227 3209 10221
      3214 10221 3228 10203 3222 10178 3196 10178
TIME...MOT...LOC 1102Z 236DEG 35KT 3194 10228

10

Local storm report, May 19, 8:12 AM CDT, 3 hours 14 minutes before

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Local storm report, May 19, 8:46 AM CDT, 2 hours 40 minutes before

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Local storm report, May 19, 9:34 AM CDT, 1 hour 52 minutes before

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Local storm report, May 19, 9:50 AM CDT, 1 hour 36 minutes before

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Special weather statement, May 19, 9:57 AM CDT, 1 hour 29 minutes before

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The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 19, 2:22 AM CDT	Severe Thunderstorm Warning	MAF	Howard, Mitchell	53 min
May 19, 2:39 AM CDT	Severe Thunderstorm Warning	MAF	Mitchell, Scurry	66 min
May 19, 2:55 AM CDT	Severe Thunderstorm Warning	MAF	Andrews, Ector, Midland	65 min
May 19, 3:07 AM CDT	Severe Thunderstorm Warning	MAF	Glasscock, Howard, Martin, Midland, Mitchell	53 min
May 19, 3:28 AM CDT	Tornado Warning	MAF	Mitchell	32 min
May 19, 3:53 AM CDT	Severe Thunderstorm Warning	MAF	Mitchell	67 min
May 19, 4:04 AM CDT	Severe Thunderstorm Warning	MAF	Glasscock, Howard, Martin, Midland, Mitchell	56 min
May 19, 4:25 AM CDT	Areal Flood Advisory	MAF	Glasscock, Martin, Midland	3 hr
May 19, 4:26 AM CDT	Flash Flood Warning	MAF	Mitchell	7 hr
May 19, 4:43 AM CDT	Red Flag Warning	MAF		16 hr
May 19, 4:50 AM CDT	Special Weather Statement	MAF	Ector	25 min
May 19, 5:07 AM CDT	Special Weather Statement	MAF	Howard, Mitchell	38 min
May 19, 5:26 AM CDT	Flash Flood Warning	MAF	Glasscock, Howard, Martin, Midland	3 hr
May 19, 5:35 AM CDT	Special Weather Statement	MAF	Ector	25 min
May 19, 6:02 AM CDT	Special Weather Statement	MAF	Midland	43 min
May 19, 7:49 AM CDT	Severe Thunderstorm Warning	MAF	Mitchell, Scurry	26 min
May 19, 8:00 AM CDT	Severe Thunderstorm Warning	MAF	Mitchell, Scurry	60 min
May 19, 8:29 AM CDT	Flash Flood Warning	MAF	Glasscock, Howard, Martin, Midland	3 hr
May 19, 8:59 AM CDT	Severe Thunderstorm Warning	MAF	Mitchell, Scurry	61 min
May 19, 9:43 AM CDT	Flash Flood Warning	MAF	Mitchell, Scurry	3 hr
May 19, 9:57 AM CDT	Special Weather Statement	MAF	Scurry	48 min

Nearby

Areal Flood Warnings in Texas, 2017 Every areal flood 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.