Alert archive / Oklahoma / Tornado Warnings in 2003

Tornado Warning 74, NWS Norman, OK

May 15, 2003Roger Mills County, Oklahoma

NWS Norman, OK issued this tornado warning at May 15, 2003, 11:00 PM CDT for Roger Mills County, Oklahoma. It was in force for 60 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 15, 2003, 11:00 PM CDT (04:00 UTC)
Expired: May 16, 2003, 12:00 AM CDT
In force: 60 min
Issued by: NWS Norman, OK
Area: Counties, with a storm outline in the text

County Roger Mills County, OK

The radar

The Altus AFB radar (KFDR), 156 km from the middle of the area, began a volume at 03:59 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.

Issued	Product	Office	Lasted
May 15, 6:50 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 4.0 hours before the alert went out and 170 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: 2687 J/kg
Mixed-layer CIN: -75 J/kg
Mixed-layer LCL: 1311 m above ground
0-6 km bulk shear: 82 kt
0-1 km storm-relative helicity: 213 m²/s²
0-3 km storm-relative helicity: 482 m²/s²
Significant tornado parameter: 4.0
Supercell composite: 19.9

Open this sounding in Storm Lab

The text

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

111 
WFUS54 KOUN 160400
TOROKC
OKC129-160500-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
1059 PM CDT THU MAY 15 2003

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  ROGER MILLS COUNTY IN WESTERN OKLAHOMA

* UNTIL MIDNIGHT CDT

* AT 1059 PM CDT...A TORNADO WAS INDICATED BY DOPPLER RADAR 19 
MILES   SOUTHWEST OF REYDON...MOVING NORTHEAST AT 30 MPH. THIS STORM 
HAS A HISTORY OF PRODUCING TORNADOES. SEEK SHELTER NOW

* LOCATIONS IN THE WARNING INCLUDE CHEYENNE...CRAWFORD...REYDON...
  ROLL AND STRONG CITY

IN ADDITION TO A TORNADO THREAT... THIS STORM LIKELY CONTAINS
DAMAGING HAIL TO THE SIZE OF BASEBALLS OR LARGER.

LAT...LON 3545 10008 3540 10000 3560 9939 3589 9980

$$

11

The office that day

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

Issued	Product	Office	Counties	Lasted
May 15, 9:45 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Roger Mills	45 min
May 15, 10:09 PM CDT	Tornado Warning	OUN	Beckham, Roger Mills	51 min
May 15, 11:10 PM CDT	Severe Thunderstorm Warning	OUN	Dewey	50 min
May 15, 11:23 PM CDT	Severe Thunderstorm Warning	OUN	Beckham	67 min
May 15, 11:37 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Harper, Woods, Woodward	38 min
May 15, 11:38 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Harper, Woods, Woodward	52 min
May 15, 11:54 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Dewey, Roger Mills, Washita	81 min
May 16, 12:05 AM CDT	Severe Thunderstorm Warning	OUN	Greer, Harmon	25 min
May 16, 12:28 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Major, Woods, Woodward	47 min
May 16, 12:29 AM CDT	Severe Thunderstorm Warning	OUN	Beckham, Greer, Harmon, Jackson	31 min
May 16, 12:44 AM CDT	Severe Thunderstorm Warning	OUN	Blaine	31 min
May 16, 1:01 AM CDT	Severe Thunderstorm Warning	OUN	Greer, Jackson, Kiowa	44 min
May 16, 1:05 AM CDT	Severe Thunderstorm Warning	OUN	Tillman	40 min
May 16, 1:12 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Blaine, Garfield, Grant, Kingfisher, Major	48 min
May 16, 1:14 AM CDT	Severe Thunderstorm Warning	OUN	Washita	31 min
May 16, 1:22 AM CDT	Severe Thunderstorm Warning	OUN	Stephens	38 min
May 16, 1:22 AM CDT	Tornado Warning	OUN	Major	23 min
May 16, 1:45 AM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche, Kiowa, Washita	45 min
May 16, 2:01 AM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant, Kay, Kingfisher, Logan, Noble and 1 more	59 min
May 16, 2:14 AM CDT	Severe Thunderstorm Warning	OUN	Jefferson	46 min
May 16, 2:16 AM CDT	Severe Thunderstorm Warning	OUN	Stephens	44 min
May 16, 2:30 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Love, Murray	60 min
May 16, 2:58 AM CDT	Severe Thunderstorm Warning	OUN	Kay, Lincoln, Noble, Payne	47 min
May 16, 3:12 AM CDT	Severe Thunderstorm Warning	OUN	Johnston, Pontotoc	63 min
May 16, 3:19 AM CDT	Severe Thunderstorm Warning	OUN	Pottawatomie, Seminole	56 min
May 16, 3:29 AM CDT	Severe Thunderstorm Warning	OUN	Jefferson	46 min
May 16, 3:39 AM CDT	Severe Thunderstorm Warning	OUN	Atoka, Coal, Hughes	51 min
May 16, 3:45 AM CDT	Severe Thunderstorm Warning	OUN	Lincoln	45 min
May 16, 3:49 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Love	41 min
May 16, 3:58 AM CDT	Tornado Warning	OUN	Lincoln	32 min
May 16, 4:26 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Murray	34 min
May 16, 4:41 AM CDT	Severe Thunderstorm Warning	OUN	Johnston, Pontotoc	49 min
May 16, 4:46 AM CDT	Severe Thunderstorm Warning	OUN	Love	29 min
May 16, 4:50 AM CDT	Severe Thunderstorm Warning	OUN	Marshall	25 min
May 16, 5:06 AM CDT	Severe Thunderstorm Warning	OUN	Coal, Hughes	54 min
May 16, 5:13 AM CDT	Severe Thunderstorm Warning	OUN	Atoka, Bryan	62 min
May 16, 5:17 AM CDT	Severe Thunderstorm Warning	OUN	Marshall	28 min
May 16, 6:14 AM CDT	Severe Thunderstorm Warning	OUN	Atoka, Bryan	46 min
May 16, 12:26 PM CDT	Severe Thunderstorm Warning	OUN	Logan, Oklahoma	49 min
May 16, 12:34 PM CDT	Tornado Warning	OUN	Logan, Oklahoma	26 min
May 16, 12:41 PM CDT	Severe Thunderstorm Warning	OUN	Hughes, Seminole	49 min
May 16, 1:00 PM CDT	Tornado Warning	OUN	Logan	45 min
May 16, 1:10 PM CDT	Tornado Warning	OUN	Lincoln	65 min
May 16, 1:13 PM CDT	Tornado Warning	OUN	Hughes	32 min
May 16, 1:17 PM CDT	Tornado Warning	OUN	Kingfisher	28 min
May 16, 1:22 PM CDT	Tornado Warning	OUN	Payne	53 min
May 16, 1:46 PM CDT	Tornado Warning	OUN	Kingfisher, Logan	44 min
May 16, 2:00 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Bryan	30 min
May 16, 2:11 PM CDT	Tornado Warning	OUN	Lincoln, Payne	64 min
May 16, 2:30 PM CDT	Tornado Warning	OUN	Logan	45 min
May 16, 2:33 PM CDT	Flash Flood Warning	OUN	Kingfisher, Logan	117 min

Nearby

Tornado Warnings in Oklahoma, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.