Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 430, NWS Norman, OK

June 19, 2007Garfield County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 19, 2007, 8:58 PM CDT for Garfield County, Oklahoma. It was in force for 47 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
Jun 19, 2007, 8:58 PM CDT (01:58 UTC)
Expired
Jun 19, 2007, 9:45 PM CDT
In force
47 min
Issued by
NWS Norman, OK
Area
Counties, with a storm outline in the text

County Garfield County, OK

The radar

The Vance AFB radar (KVNX), 57 km from the middle of the area, began a volume at 01:59 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
Jun 19, 4:52 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 00:00Z, 2.0 hours before the alert went out and 63 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, Lamont, OK at 00:00Z on 2007-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5627 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lamont, OK at 00:00Z on 2007-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.1939Sfc1 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
5627 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
745 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.0

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KOUN 200159
SVROUN
OKC047-200245-
/O.NEW.KOUN.SV.W.0430.070620T0158Z-070620T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORMAN OK
858 PM CDT TUE JUN 19 2007

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GARFIELD COUNTY IN NORTHERN OKLAHOMA...

* UNTIL 945 PM CDT

* AT 858 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM OVER SOUTHWEST GARFIELD COUNTY... NEAR 
DRUMMOND... MOVING SOUTHEAST AT 15 MPH. HAIL UP TO THE SIZE OF HALF 
DOLLARS AND WINDS OF 65 MPH ARE LIKELY.

* LOCATIONS IN THE WARNING INCLUDE BISON AND DRUMMOND.

HEAVY RAINS MAY QUICKLY FLOOD LOW LYING AREAS SUCH AS CREEKS...
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS AS AUTOMOBILES CAN QUICKLY STALL.

LAT...LON 3630 9794 3631 9809 3618 9812 3616 9805
      3619 9784

$$


CJS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 7:13 PM CDTSevere Thunderstorm WarningOUNWoods47 min
Jun 19, 7:16 PM CDTSevere Thunderstorm WarningOUNAlfalfa44 min
Jun 19, 7:32 PM CDTSevere Thunderstorm WarningOUNWoodward43 min
Jun 19, 7:40 PM CDTSevere Thunderstorm WarningOUNMajor65 min
Jun 19, 8:00 PM CDTSevere Thunderstorm WarningOUNBlaine, Kingfisher60 min
Jun 19, 8:00 PM CDTSevere Thunderstorm WarningOUNGarfield60 min
Jun 19, 8:10 PM CDTSevere Thunderstorm WarningOUNWoodward50 min
Jun 19, 8:44 PM CDTSevere Thunderstorm WarningOUNMajor46 min
Jun 19, 8:55 PM CDTSevere Thunderstorm WarningOUNWoodward50 min
Jun 19, 8:55 PM CDTSevere Thunderstorm WarningOUNBlaine, Kingfisher65 min
Jun 19, 9:00 PM CDTSevere Thunderstorm WarningOUNEllis45 min
Jun 19, 9:05 PM CDTSevere Thunderstorm WarningOUNDewey40 min
Jun 19, 9:09 PM CDTSevere Thunderstorm WarningOUNHarper51 min
Jun 19, 9:15 PM CDTSevere Thunderstorm WarningOUNLincoln45 min
Jun 19, 9:22 PM CDTSevere Thunderstorm WarningOUNCuster38 min
Jun 19, 9:28 PM CDTSevere Thunderstorm WarningOUNLogan47 min
Jun 19, 9:42 PM CDTSevere Thunderstorm WarningOUNEllis33 min
Jun 19, 9:45 PM CDTSevere Thunderstorm WarningOUNDewey15 min
Jun 19, 9:55 PM CDTSevere Thunderstorm WarningOUNBlaine, Custer50 min
Jun 19, 9:56 PM CDTFlash Flood WatchOUNAtoka, Beckham, Blaine, Bryan, Caddo, Canadian and 29 more11 hr
Jun 19, 10:09 PM CDTSevere Thunderstorm WarningOUNEllis51 min
Jun 19, 10:12 PM CDTSevere Thunderstorm WarningOUNLogan46 min
Jun 19, 10:59 PM CDTSevere Thunderstorm WarningOUNEllis16 min
Jun 20, 12:04 AM CDTSevere Thunderstorm WarningOUNBeckham, Greer, Harmon, Jackson41 min
Jun 20, 12:08 AM CDTSevere Thunderstorm WarningOUNCleveland, Oklahoma, Pottawatomie52 min
Jun 20, 12:23 AM CDTSevere Thunderstorm WarningOUNCaddo, Comanche, Cotton, Grady, Stephens, Tillman52 min
Jun 20, 12:45 AM CDTSevere Thunderstorm WarningOUNJackson, Tillman45 min
Jun 20, 1:03 AM CDTSevere Thunderstorm WarningOUNCleveland, Garvin, McClain27 min
Jun 20, 1:05 AM CDTSevere Thunderstorm WarningOUNKiowa25 min
Jun 20, 1:11 AM CDTSevere Thunderstorm WarningOUNComanche, Cotton49 min
Jun 20, 1:16 AM CDTSevere Thunderstorm WarningOUNComanche, Cotton, Tillman59 min
Jun 20, 1:28 AM CDTSevere Thunderstorm WarningOUNComanche, Jackson, Kiowa47 min
Jun 20, 2:01 AM CDTSevere Thunderstorm WarningOUNJefferson59 min
Jun 20, 2:09 AM CDTSevere Thunderstorm WarningOUNHughes, Seminole51 min
Jun 20, 2:15 AM CDTSevere Thunderstorm WarningOUNCotton, Tillman45 min
Jun 20, 2:26 AM CDTSevere Thunderstorm WarningOUNGrady, Stephens32 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2007Every severe thunderstorm warning in 2007

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.