Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 521, NWS Norman, OK

May 27, 2008Foard County, Texas

NWS Norman, OK issued this severe thunderstorm warning at May 27, 2008, 5:14 PM CDT for Foard County, Texas. It was in force for 61 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
May 27, 2008, 5:14 PM CDT (22:14 UTC)
Expired
May 27, 2008, 6:15 PM CDT
In force
61 min
Issued by
NWS Norman, OK
Area
Storm-based polygon

County Foard County, TX

The radar

The Altus AFB radar (KFDR), 96 km from the middle of the area, began a volume at 22:14 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 watch it was issued in

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

IssuedProductOfficeLasted
May 27, 2:34 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.2 hours before the alert went out and 208 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-pSkew-T log-p diagram, Amarillo Airport, TX at 12:00Z on 2008-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 2008-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2654 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KOUN 272215
SVROUN
TXC155-272315-
/O.NEW.KOUN.SV.W.0521.080527T2214Z-080527T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORMAN OK
514 PM CDT TUE MAY 27 2008

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN FOARD COUNTY IN NORTHERN TEXAS...

* UNTIL 615 PM CDT

* AT 514 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 17 MILES WEST OF CROWELL. THIS STORM WAS NEARLY
  STATIONARY. HAIL UP TO THE SIZE OF HALF DOLLARS... WINDS OF        
  60 MPH AND TORRENTIAL RAINFALL ARE LIKELY.

* LOCATIONS IN THE WARNING INCLUDE CROWELL.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH NO ADVANCE WARNING.
MOVE IMMEDIATELY TO A STORM SHELTER... BASEMENT OR STURDY BUILDING IF
A TORNADO IS SIGHTED.

LAT...LON 3417 10005 3406 9968 3383 9974 3385 10006
      3416 10006
TIME...MOT...LOC 2214Z 178DEG 1KT 3389 10000

$$

30

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 27, 12:04 PM CDTFlood WatchOUNArcher, Baylor, Clay, Foard, Hardeman, Knox and 2 more10 hr
May 27, 3:07 PM CDTSevere Thunderstorm WarningOUNHardeman38 min
May 27, 4:28 PM CDTSevere Thunderstorm WarningOUNFoard47 min
May 27, 4:53 PM CDTFlash Flood WarningOUNFoard, Knox2 hr
May 27, 5:09 PM CDTSevere Thunderstorm WarningOUNHardeman, Wilbarger51 min
May 27, 6:09 PM CDTSevere Thunderstorm WarningOUNHardeman31 min
May 27, 6:16 PM CDTSevere Thunderstorm WarningOUNFoard, Knox59 min
May 27, 6:24 PM CDTSevere Thunderstorm WarningOUNWilbarger66 min

Nearby

Severe Thunderstorm Warnings in Texas, 2008Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.