Alert archive / Texas / Flash Flood Watches in 2009

Flash Flood Watch 1, NWS Midland/Odessa, TX

May 27, 2009Pecos County, Terrell County, Texas

NWS Midland/Odessa, TX issued this flash flood watch at May 27, 2009, 3:54 AM CDT for Pecos County, Terrell County, Texas. It took effect at May 27, 2009, 7:00 PM CDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: May 27, 2009, 3:54 AM CDT (08:54 UTC)
In effect from: May 27, 2009, 7:00 PM CDT
Expired: May 27, 2009, 10:38 PM CDT
In force: 4 hr
Issued by: NWS Midland/Odessa, TX
Flood severity: None

Counties Pecos County, TX, Terrell County, TX

The radar

The Midland/Odessa radar (KMAF), 161 km from the middle of the area, began a volume at 08:57 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, 8.9 hours before the alert went out and 162 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: 92 J/kg
Mixed-layer CIN: -92 J/kg
Mixed-layer LCL: 3332 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 48 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch 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 flash flood watch went out at May 27, 12:59 AM CDT, 2 hours 55 minutes earlier.

Area forecast discussion, May 27, 12:59 AM CDT, 2 hours 55 minutes before

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Hazardous weather outlook, May 26, 9:19 PM CDT, 6 hours 35 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 26, 7:00 PM CDT	Severe Thunderstorm Warning	MAF	Borden	28 min
May 26, 7:10 PM CDT	Severe Thunderstorm Warning	MAF	Glasscock, Midland	65 min
May 26, 7:14 PM CDT	Severe Thunderstorm Warning	MAF	Crane, Ector, Midland, Upton	61 min
May 26, 7:29 PM CDT	Areal Flood Advisory	MAF	Crane, Ector	3 hr
May 26, 7:41 PM CDT	Severe Thunderstorm Warning	MAF	Terrell	34 min
May 26, 7:59 PM CDT	Severe Thunderstorm Warning	MAF	Crane, Upton	25 min
May 27, 5:06 PM CDT	Severe Thunderstorm Warning	MAF	Brewster	54 min
May 27, 5:26 PM CDT	Severe Thunderstorm Warning	MAF	Brewster, Presidio	61 min
May 27, 5:52 PM CDT	Severe Thunderstorm Warning	MAF	Presidio	53 min
May 27, 6:39 PM CDT	Severe Thunderstorm Warning	MAF	Brewster	51 min
May 27, 6:55 PM CDT	Areal Flood Advisory	MAF	Brewster	3 hr

Nearby

Flash Flood Watches in Texas, 2009 Every flash flood watch in 2009

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.