Alert archive / Texas / Tornado Warnings in 2008

Tornado Warning 20, NWS Midland/Odessa, TX

May 7, 2008Andrews County, Gaines County, Texas

NWS Midland/Odessa, TX issued this tornado warning at May 7, 2008, 1:00 AM CDT for Andrews County, Gaines County, Texas. It was in force for 30 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 7, 2008, 1:00 AM CDT (06:00 UTC)
Expired: May 7, 2008, 1:30 AM CDT
In force: 30 min
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon

Counties Andrews County, TX, Gaines County, TX

The radar

The Midland/Odessa radar (KMAF), 92 km from the middle of the area, began a volume at 06:04 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.

What was reported inside it

Time	Report	Where	Remark
May 7, 1:30 AM CDT	HAIL 0.88	5 S Seminole, TX
May 7, 1:31 AM CDT	HAIL 0.88	2 S Seminole, TX

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 6, 9:51 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 6.0 hours before the alert went out and 91 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: 1301 J/kg
Mixed-layer CIN: -99 J/kg
Mixed-layer LCL: 1596 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 169 m²/s²
0-3 km storm-relative helicity: 264 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 6.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS54 KMAF 070600
TORMAF
TXC003-165-070630-
/O.NEW.KMAF.TO.W.0020.080507T0600Z-080507T0630Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
100 AM CDT WED MAY 7 2008

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN GAINES COUNTY IN WEST TEXAS...
  NORTH CENTRAL ANDREWS COUNTY IN WEST TEXAS...

* UNTIL 130 AM CDT

* AT 1259 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 15 MILES
  SOUTHWEST OF SEMINOLE...MOVING NORTHEAST AT 45 MPH.

* THE TORNADO WILL AFFECT THE FOLLOWING LOCATIONS...
  SEMINOLE...
  FAIRVIEW...

A TORNADO MAY FORM AT ANY TIME... TAKE COVER NOW. ABANDON MOBILE
HOMES AND VEHICLES FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT
WEDNESDAY MORNING FOR SOUTHEAST NEW MEXICO AND SOUTHWESTERN TEXAS.

LAT...LON 3294 10256 3266 10220 3240 10276 3253 10290
TIME...MOT...LOC 0600Z 226DEG 37KT 3253 10275

$$

1 follow-up statement

000 
WWUS54 KMAF 070618
SVSMAF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
118 AM CDT WED MAY 7 2008

TXC003-165-070630-
/O.CON.KMAF.TO.W.0020.000000T0000Z-080507T0630Z/
GAINES TX-ANDREWS TX-
118 AM CDT WED MAY 7 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 AM CDT FOR NORTH
CENTRAL ANDREWS AND EASTERN GAINES COUNTIES...

AT 113 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO 
DETECT A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS STORM  
WAS LOCATED 9 MILES SOUTHWEST OF FAIRVIEW...OR ABOUT 10 MILES SOUTH 
OF SEMINOLE...MOVING NORTHEAST AT 45 MPH. IN ADDITION TO A POSSIBLE
TORNADO...THIS STORM IS CAPABLE OF PRODUCING HAIL UP TO THE SIZE OF 
BASEBALLS AND DESTRUCTIVE STRAIGHT LINE WINDS. SEEK SAFE SHELTER NOW.

SOME LOCATIONS AFFECTED BY THE TORNADO INCLUDE...FAIRVIEW.

A TORNADO MAY FORM AT ANY TIME... TAKE COVER NOW. ABANDON MOBILE
HOMES AND VEHICLES FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT 
WEDNESDAY MORNING FOR SOUTHEAST NEW MEXICO AND SOUTHWESTERN TEXAS.

LAT...LON 3294 10256 3266 10220 3240 10276 3253 10290
TIME...MOT...LOC 0617Z 226DEG 37KT 3261 10256

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 8:11 PM CDT	Severe Thunderstorm Warning	MAF	Gaines	64 min
May 6, 8:21 PM CDT	Severe Thunderstorm Warning	MAF	Culberson	34 min
May 6, 9:34 PM CDT	Areal Flood Advisory	MAF	Glasscock, Midland, Pecos, Reagan, Upton	152 days
May 7, 12:03 AM CDT	Severe Thunderstorm Warning	MAF	Andrews	27 min
May 7, 12:31 AM CDT	Severe Thunderstorm Warning	MAF	Andrews, Gaines	59 min
May 7, 1:31 AM CDT	Severe Thunderstorm Warning	MAF	Dawson, Gaines	44 min
May 7, 5:20 AM CDT	Wind Advisory	MAF	Andrews, Borden, Crane, Dawson, Ector, Gaines and 13 more	14 hr
May 7, 6:13 AM CDT	Fire Weather Watch	MAF	Loving	23 hr

Nearby

Tornado Warnings in Texas, 2008 Every tornado warning in 2008 Tornadoes in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.