Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 621, NWS Norman, OK

October 19, 2005Alfalfa County, Major County, Woods County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Oct 19, 2005, 1:11 PM CDT for Alfalfa County, Major County, Woods County, Oklahoma. It was in force for 41 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: Oct 19, 2005, 1:11 PM CDT (18:11 UTC)
Expired: Oct 19, 2005, 1:52 PM CDT
In force: 41 min
Issued by: NWS Norman, OK
Area: Counties, with a storm outline in the text

Counties Alfalfa County, OK, Major County, OK, Woods County, OK

The radar

The Vance AFB radar (KVNX), 63 km from the middle of the area, began a volume at 18:12 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.

Issued	Product	Office	Lasted
Oct 19, 12:40 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 6.2 hours before the alert went out and 113 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: 119 J/kg
Mixed-layer CIN: -362 J/kg
Mixed-layer LCL: 1863 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 257 m²/s²
0-3 km storm-relative helicity: 246 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 191812
SVROUN
OKC003-093-151-191900-
/O.NEW.KOUN.SV.W.0621.051019T1811Z-051019T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORMAN OK
111 PM CDT WED OCT 19 2005

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ALFALFA COUNTY IN NORTHWEST OKLAHOMA
  MAJOR COUNTY IN NORTHWEST OKLAHOMA
  WOODS COUNTY IN NORTHWEST OKLAHOMA

* UNTIL 200 PM CDT

* AT 111 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES NORTHEAST OF CHESTER...MOVING NORTHEAST
  AT 35 MPH.

* LOCATIONS IN THE WARNING INCLUDE ALINE...CARMEN...CHESTER...CLEO
  SPRINGS...LAMBERT AND ORIENTA.

HAIL UP TO THE SIZE OF QUARTERS AND WINDS OF 60 MPH ARE LIKELY.

LAT...LON 3644 9895 3618 9894 3634 9837 3672 9837

$$

3 follow-up statements

000 
WWUS54 KOUN 191829
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
127 PM CDT WED OCT 19 2005

OKC003-093-151-191900-
/O.CON.KOUN.SV.W.0621.000000T0000Z-051019T1900Z/
WOODS OK-ALFALFA OK-MAJOR OK-
127 PM CDT WED OCT 19 2005

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT
FOR MAJOR...ALFALFA AND WOODS COUNTIES...

AT 127 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
SEVERE THUNDERSTORM 10 MILES EAST OF BOUSE JUNCTION...MOVING
NORTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CLEO SPRINGS AROUND 140 PM CDT
  ALINE AROUND 145 PM CDT
  CARMEN AROUND 150 PM CDT
  LAMBERT AROUND 200 PM CDT

HAIL UP TO THE SIZE OF NICKELS IS LIKELY.

LAT...LON 3644 9895 3618 9894 3634 9837 3672 9837

$$

000 
WWUS54 KOUN 191844
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
142 PM CDT WED OCT 19 2005

OKC093-191852-
/O.CAN.KOUN.SV.W.0621.000000T0000Z-051019T1900Z/
MAJOR OK-
142 PM CDT WED OCT 19 2005

...THE SEVERE THUNDERSTORM WARNING FOR MAJOR COUNTY IS CANCELLED...

THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF 
THE COUNTY.

LAT...LON 3656 9869 3642 9864 3643 9854 3648 9854
      3649 9830 3657 9829 3672 9837

$$

OKC003-151-191900-
/O.CON.KOUN.SV.W.0621.000000T0000Z-051019T1900Z/
WOODS OK-ALFALFA OK-
142 PM CDT WED OCT 19 2005

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT
FOR ALFALFA AND WOODS COUNTIES...

AT 142 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
SEVERE THUNDERSTORM 7 MILES WEST OF ALINE...MOVING NORTHEAST AT 40
MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CARMEN AROUND 150 PM CDT
  LAMBERT AROUND 155 PM CDT

HAIL UP TO THREE QUARTERS OF AN INCH IN DIAMETER IS LIKELY. THIS 
STORM WAS MOVING INTO MORE STABLE AIR...AND WILL CONTINUE TO WEAKEN 
THROUGH 2 PM CDT.

LAT...LON 3656 9869 3642 9864 3643 9854 3648 9854
      3649 9830 3657 9829 3672 9837

$$

000 
WWUS54 KOUN 191852
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
153 PM CDT WED OCT 19 2005

OKC003-151-191903-
/O.CAN.KOUN.SV.W.0621.000000T0000Z-051019T1900Z/
WOODS OK-ALFALFA OK-
153 PM CDT WED OCT 19 2005

...THE SEVERE THUNDERSTORM WARNING FOR ALFALFA AND WOODS COUNTIES IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED...AND IS NO LONGER
SEVERE.

LAT...LON 3656 9869 3642 9864 3643 9854 3648 9854
      3649 9830 3657 9829 3672 9837

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 19, 11:59 AM CDT	Severe Thunderstorm Warning	OUN	Woodward	46 min
Oct 19, 12:27 PM CDT	Severe Thunderstorm Warning	OUN	Roger Mills	48 min
Oct 19, 12:31 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Greer, Harmon	44 min
Oct 19, 12:34 PM CDT	Severe Thunderstorm Warning	OUN	Dewey, Major, Woodward	41 min
Oct 19, 1:50 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Greer	40 min
Oct 19, 2:14 PM CDT	Severe Thunderstorm Warning	OUN	Kiowa, Washita	61 min
Oct 19, 3:14 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa	31 min
Oct 19, 5:10 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Harper	50 min
Oct 19, 5:25 PM CDT	Tornado Warning	OUN	Harper	50 min
Oct 19, 5:54 PM CDT	Tornado Warning	OUN	Woodward	32 min
Oct 19, 6:09 PM CDT	Tornado Warning	OUN	Woods	66 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2005 Every severe thunderstorm warning in 2005

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.