Alert archive / Oklahoma / Mesoscale Discussions in 2003

Mesoscale Discussion 1017

May 16, 200316 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at May 16, 2003, 5:22 AM CDT for 16 counties in Oklahoma. It was in force for 53 min.

The area

The outline as issued.

The facts

Issued
May 16, 2003, 5:22 AM CDT (10:22 UTC)
Expired
May 16, 2003, 6:15 AM CDT
In force
53 min
Issued by
the Storm Prediction Center

Counties Atoka County, OK, Bryan County, OK, Choctaw County, OK, Coal County, OK, Johnston County, OK, Latimer County, OK, Marshall County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Pittsburg County, OK, Pontotoc County, OK, Pushmataha County, OK, Rogers County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 111 km from the middle of the area, began a volume at 10:25 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 nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 10.4 hours before the alert went out and 123 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, Norman, OK at 00:00Z on 2003-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1353 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, Norman, OK at 00:00Z on 2003-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.19395878Sfc1 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
1353 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
1001 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
280 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.8

Open this sounding in Storm Lab

The text

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

020 
ACUS11 KWNS 161022
SWOMCD
SPC MCD 161022 
TXZ000-OKZ000-KSZ000-161115-

MESOSCALE DISCUSSION 1017
NWS STORM PREDICTION CENTER NORMAN OK
0522 AM CDT FRI MAY 16 2003

AREAS AFFECTED...PORTIONS OF ERN OK

CONCERNING...TORNADO WATCH 389...

VALID 161022Z - 161115Z

DAMAGING WIND THREAT WILL CONTINUE OVER THE SERN PORTION OF WW 389
THROUGH 12Z.

REGIONAL RADARS SHOW A BOWING LINE OF STRONG TO SEVERE STORMS
EXTENDING FROM HUGHES COUNTY SWD TO MARSHALL COUNTY...WITH AN EWD
MOVEMENT AT 40-45 KT.  AIR MASS OVER SERN OK REMAINS MODERATELY
UNSTABLE...ALLOWING THIS LINE OF STORMS TO MAINTAIN THEIR INTENSITY
AS THEY MOVE INTO SERN OK BETWEEN 1030-12Z.

..PETERS.. 05/16/2003

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...SHV...TSA...ICT...FWD...OUN...

33909722 34889659 35229569 36559592 37029591 37029540
34919525 33869517

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 15, 8:38 PM CDTMesoscale DiscussionSPCCotton, Jackson, Jefferson, Stephens, Tillman2 hr
May 15, 10:25 PM CDTTornado WatchSPCCotton, Jackson, Jefferson, Stephens, Tillman6 hr
May 15, 10:30 PM CDTMesoscale DiscussionSPCAlfalfa, Beaver, Beckham, Blaine, Custer, Dewey and 8 more2 hr
May 15, 11:32 PM CDTMesoscale DiscussionSPCCimarron, Texas118 min
May 15, 11:35 PM CDTTornado WatchSPCAlfalfa, Beckham, Blaine, Caddo, Canadian, Comanche and 13 more4 hr
May 15, 11:49 PM CDTMesoscale DiscussionSPCCotton, Jackson, Jefferson, Stephens, Tillman86 min
May 16, 1:20 AM CDTTornado WatchSPCAtoka, Bryan, Carter, Choctaw, Cleveland, Coal and 33 more6 hr
May 16, 1:22 AM CDTMesoscale DiscussionSPCAlfalfa, Blaine, Caddo, Canadian, Cleveland, Custer and 16 more53 min
May 16, 2:33 AM CDTMesoscale DiscussionSPCAtoka, Bryan, Carter, Choctaw, Cleveland, Coal and 16 more57 min
May 16, 3:07 AM CDTMesoscale DiscussionSPCAtoka, Bryan, Carter, Choctaw, Cleveland, Coal and 33 more53 min
May 16, 4:04 AM CDTMesoscale DiscussionSPCAdair, Atoka, Bryan, Carter, Cherokee, Choctaw and 36 more56 min
May 16, 4:25 AM CDTSevere Thunderstorm WatchSPCAdair, Cherokee, Craig, Delaware, Haskell, LeFlore and 4 more5 hr
May 16, 5:47 AM CDTMesoscale DiscussionSPCAdair, Cherokee, Delaware, Haskell, LeFlore, McCurtain and 2 more58 min
May 16, 6:35 AM CDTMesoscale DiscussionSPCAdair, Cherokee, Delaware, Haskell, LeFlore, McCurtain and 2 more25 min
May 16, 9:16 AM CDTMesoscale DiscussionSPCChoctaw, Latimer, McCurtain, Pushmataha119 min
May 16, 11:35 AM CDTMesoscale DiscussionSPCCaddo, Canadian, Cleveland, Creek, Garfield, Grady and 20 more2 hr
May 16, 12:00 PM CDTTornado WatchSPCAdair, Canadian, Cherokee, Craig, Creek, Delaware and 23 more6 hr
May 16, 12:09 PM CDTMesoscale DiscussionSPCAtoka, Bryan, Choctaw, Haskell, Latimer, LeFlore and 3 more3 hr
May 16, 12:45 PM CDTTornado WatchSPCAtoka, Bryan, Choctaw, Coal, Haskell, Hughes and 10 more5 hr
May 16, 1:46 PM CDTMesoscale DiscussionSPCCherokee, Creek, Lincoln, Logan, McIntosh, Mayes and 12 more89 min
May 16, 3:18 PM CDTMesoscale DiscussionSPCLeFlore, McCurtain117 min
May 16, 3:55 PM CDTTornado WatchSPCAdair6 hr
May 16, 5:06 PM CDTMesoscale DiscussionSPCMcCurtain54 min
May 16, 5:45 PM CDTTornado WatchSPCMcCurtain6 hr

Nearby

Mesoscale Discussions in Oklahoma, 2003Every mesoscale discussion 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.