Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 49, NWS Norman, OK

April 25, 1989Beckham County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Apr 25, 1989, 7:52 PM CDT for Beckham County, Oklahoma. It was in force for 53 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 25, 1989, 7:52 PM CDT (00:52 UTC)
Expired
Apr 25, 1989, 8:45 PM CDT
In force
53 min
Issued by
NWS Norman, OK
Area
Whole counties

County Beckham County, OK

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Apr 25, 8:31 PM CDTTornado F0Beckham, OK

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.9 hours before the alert went out and 183 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 00:00Z on 1989-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 1989-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3601 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 7:08 PM CDTSevere Thunderstorm WarningOUNBeckham52 min
Apr 25, 8:21 PM CDTSevere Thunderstorm WarningOUNRoger Mills39 min
Apr 25, 8:40 PM CDTSevere Thunderstorm WarningOUNBeckham, Roger Mills50 min
Apr 25, 8:57 PM CDTSevere Thunderstorm WarningOUNCuster48 min
Apr 25, 9:13 PM CDTSevere Thunderstorm WarningOUNWashita32 min
Apr 25, 9:24 PM CDTSevere Thunderstorm WarningOUNBeckham51 min
Apr 25, 9:39 PM CDTSevere Thunderstorm WarningOUNCuster51 min
Apr 25, 9:53 PM CDTSevere Thunderstorm WarningOUNRoger Mills52 min
Apr 25, 10:10 PM CDTSevere Thunderstorm WarningOUNDewey35 min
Apr 25, 10:14 PM CDTSevere Thunderstorm WarningOUNBeckham46 min
Apr 25, 10:24 PM CDTSevere Thunderstorm WarningOUNCuster66 min
Apr 25, 10:44 PM CDTSevere Thunderstorm WarningOUNRoger Mills31 min
Apr 25, 10:50 PM CDTSevere Thunderstorm WarningOUNWashita25 min
Apr 25, 11:00 PM CDTSevere Thunderstorm WarningOUNBeckham30 min
Apr 25, 11:16 PM CDTSevere Thunderstorm WarningOUNWashita44 min
Apr 25, 11:31 PM CDTSevere Thunderstorm WarningOUNCuster44 min
Apr 26, 12:10 AM CDTSevere Thunderstorm WarningOUNBlaine, Custer50 min
Apr 26, 12:22 AM CDTSevere Thunderstorm WarningOUNCaddo53 min
Apr 26, 12:41 AM CDTSevere Thunderstorm WarningOUNWashita34 min
Apr 26, 1:00 AM CDTSevere Thunderstorm WarningOUNCanadian45 min
Apr 26, 5:48 PM CDTSevere Thunderstorm WarningOUNBeckham42 min
Apr 26, 6:02 PM CDTSevere Thunderstorm WarningOUNRoger Mills43 min
Apr 26, 6:08 PM CDTSevere Thunderstorm WarningOUNHarmon52 min
Apr 26, 6:43 PM CDTSevere Thunderstorm WarningOUNRoger Mills47 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1989Every severe thunderstorm warning in 1989

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.