Alert archive / Oklahoma / Tornado Watches in 2006

Tornado Watch 112

March 30, 20064 states

The Storm Prediction Center issued this tornado watch at Mar 30, 2006, 5:39 PM CST for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 30, 2006, 5:39 PM CST (23:39 UTC)
Expired
Mar 31, 2006, 12:00 AM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 70 counties

Benton County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Madison County, AR, Sebastian County, AR, Washington County, AR, Allen County, KS, Chautauqua County, KS, Elk County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Adair County, OK, Atoka County, OK, Bryan County, OK, Carter County, OK, Cherokee County, OK, Choctaw County, OK, Coal County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Garvin County, OK, Haskell County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, Lincoln County, OK, Love County, OK, Marshall County, OK, Mayes County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Pushmataha County, OK, Rogers County, OK, Seminole County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK, Clay County, TX, Collin County, TX, Cooke County, TX, Delta County, TX, Denton County, TX, Fannin County, TX, Grayson County, TX, Hopkins County, TX, Hunt County, TX, Jack County, TX, Lamar County, TX, Montague County, TX, Wise County, TX, Young County, TX

The radar

The Tulsa radar (KINX), 19 km from the middle of the area, began a volume at 23:42 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.

Warnings issued inside it

46 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Mar 30, 5:41 PM CSTSevere Thunderstorm WarningOUNLove49 min
Mar 30, 5:43 PM CSTSevere Thunderstorm WarningOUNHughes32 min
Mar 30, 5:44 PM CSTTornado WarningTSAPittsburg61 min
Mar 30, 5:59 PM CSTTornado WarningICTAllen46 min
Mar 30, 6:00 PM CSTSevere Thunderstorm WarningFWDCooke30 min
Mar 30, 6:11 PM CSTSevere Thunderstorm WarningFWDMontague43 min
Mar 30, 6:28 PM CSTSevere Thunderstorm WarningOUNLove47 min
Mar 30, 6:38 PM CSTSevere Thunderstorm WarningFWDCooke, Grayson67 min
Mar 30, 6:41 PM CSTSevere Thunderstorm WarningTSAPittsburg49 min
Mar 30, 7:03 PM CSTSevere Thunderstorm WarningTSAHaskell, Latimer57 min
Mar 30, 7:11 PM CSTTornado WarningTSAHaskell, Latimer64 min
Mar 30, 7:18 PM CSTSevere Thunderstorm WarningOUNMarshall27 min
Mar 30, 7:21 PM CSTSevere Thunderstorm WarningTSAMcIntosh54 min
Mar 30, 7:29 PM CSTSevere Thunderstorm WarningOUNBryan46 min
Mar 30, 7:41 PM CSTSevere Thunderstorm WarningFWDCooke, Grayson64 min
Mar 30, 7:44 PM CSTSevere Thunderstorm WarningOUNMarshall31 min
Mar 30, 7:51 PM CSTTornado WarningTSALeFlore54 min
Mar 30, 7:55 PM CSTSevere Thunderstorm WarningOUNLove35 min
Mar 30, 7:58 PM CSTTornado WarningFWDGrayson47 min
Mar 30, 8:10 PM CSTSevere Thunderstorm WarningTSASequoyah50 min
Mar 30, 8:12 PM CSTSevere Thunderstorm WarningOUNBryan33 min
Mar 30, 8:14 PM CSTSevere Thunderstorm WarningOUNMarshall31 min
Mar 30, 8:28 PM CSTSevere Thunderstorm WarningTSACrawford47 min
Mar 30, 8:39 PM CSTSevere Thunderstorm WarningTSASebastian66 min
Mar 30, 8:41 PM CSTSevere Thunderstorm WarningFWDGrayson64 min
Mar 30, 8:42 PM CSTSevere Thunderstorm WarningFWDCooke33 min
Mar 30, 8:43 PM CSTSevere Thunderstorm WarningOUNBryan47 min
Mar 30, 8:46 PM CSTTornado WarningTSACrawford, Sebastian59 min
Mar 30, 8:52 PM CSTSevere Thunderstorm WarningFWDFannin53 min
Mar 30, 8:56 PM CSTSevere Thunderstorm WarningTSASequoyah49 min
Mar 30, 9:09 PM CSTTornado WarningTSALeFlore36 min
Mar 30, 9:10 PM CSTSevere Thunderstorm WarningFWDCooke20 min
Mar 30, 9:17 PM CSTSevere Thunderstorm WarningTSAHaskell43 min
Mar 30, 9:24 PM CSTFlash Flood WarningFWDGrayson3 hr
Mar 30, 9:29 PM CSTSevere Thunderstorm WarningOUNBryan46 min
Mar 30, 9:43 PM CSTSevere Thunderstorm WarningFWDFannin47 min
Mar 30, 9:44 PM CSTSevere Thunderstorm WarningTSACrawford46 min
Mar 30, 9:45 PM CSTSevere Thunderstorm WarningTSAFranklin, Sebastian60 min
Mar 30, 9:45 PM CSTSevere Thunderstorm WarningFWDGrayson45 min
Mar 30, 9:53 PM CSTSevere Thunderstorm WarningTSASequoyah37 min
Mar 30, 10:00 PM CSTTornado WarningFWDGrayson45 min
Mar 30, 10:29 PM CSTSevere Thunderstorm WarningFWDFannin61 min
Mar 30, 10:31 PM CSTSevere Thunderstorm WarningTSACrawford44 min
Mar 30, 10:35 PM CSTSevere Thunderstorm WarningFWDLamar55 min
Mar 30, 10:46 PM CSTSevere Thunderstorm WarningTSAFranklin59 min
Mar 30, 11:07 PM CSTSevere Thunderstorm WarningFWDHunt38 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 11.7 hours before the alert went out and 178 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 12:00Z on 2006-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1531 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 12:00Z on 2006-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 332 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
1531 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
595 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
332 m²/s²
0-3 km storm-relative helicity
361 m²/s²
Significant tornado parameter
1.4
Supercell composite
9.1

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 302338
SEL2  
SPC WW 302338
ARZ000-KSZ000-OKZ000-TXZ000-310600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 112
NWS STORM PREDICTION CENTER NORMAN OK
540 PM CST THU MAR 30 2006

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       NORTHWEST ARKANSAS
       SOUTHEAST KANSAS
       EASTERN OKLAHOMA
       NORTH CENTRAL TEXAS

EFFECTIVE THIS THURSDAY AFTERNOON FROM 540 PM UNTIL MIDNIGHT CST.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE MILES
EAST AND WEST OF A LINE FROM 60 MILES NORTH OF JOPLIN MISSOURI TO
50 MILES SOUTH OF SHERMAN TEXAS.  FOR A COMPLETE DEPICTION OF THE
WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 109...TORNADO WATCH NUMBER 110. WATCH NUMBER 109 110
WILL NOT BE IN EFFECT AFTER 540 PM CST. CONTINUE...WW 111...

DISCUSSION...CLUSTERS OF SEVERE STORMS CONTINUE FROM SOUTHEAST KS
INTO EASTERN OK.  THIS ACTIVITY WILL LIKELY MAINTAIN INTENSITY
THROUGH MUCH OF THE EVENING AS PACIFIC COLD FRONT SPREADS INTO
REGION.  VERTICAL SHEAR PROFILES REMAIN FAVORABLE FOR SUPERCELLS
CAPABLE OF LARGE HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 25035.


...HART

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 30, 7:07 AM CSTMesoscale DiscussionSPCBenton, Crawford, Washington113 min
Mar 30, 2:58 AM CSTMesoscale DiscussionSPCBarber, Barton, Clark, Comanche, Decatur, Edwards and 26 more2 hr
Mar 30, 3:39 AM CSTSevere Thunderstorm WatchSPCBarton, Clay, Cloud, Dickinson, Ellis, Ellsworth and 23 more5 hr
Mar 30, 7:29 AM CSTMesoscale DiscussionSPCBrown, Doniphan2 hr
Mar 30, 8:42 AM CSTTornado WatchSPCAllen, Anderson, Barber, Barton, Bourbon, Brown and 56 more9 hr
Mar 30, 9:42 AM CSTMesoscale DiscussionSPCBarber, Barton, Comanche, Edwards, Ellis, Ellsworth and 23 more93 min
Mar 30, 11:47 AM CSTMesoscale DiscussionSPCClay, Cloud, Dickinson, Ellsworth, Geary, Harvey and 15 more88 min
Mar 30, 1:22 PM CSTMesoscale DiscussionSPCAtchison, Brown, Doniphan, Johnson, Leavenworth, Linn and 2 more113 min
Mar 30, 2:15 PM CSTTornado WatchSPCAtchison, Bourbon, Cherokee, Crawford, Doniphan, Johnson and 4 more8 hr
Mar 30, 3:12 PM CSTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Brown, Butler and 35 more63 min
Mar 30, 5:58 PM CSTSevere Thunderstorm WatchSPCClark, Scotland6 hr
Mar 29, 11:16 PM CSTMesoscale DiscussionSPCAlfalfa, Beckham, Blaine, Caddo, Canadian, Carter and 27 more119 min
Mar 30, 11:08 AM CSTTornado WatchSPCAtoka, Blaine, Bryan, Caddo, Canadian, Carter and 24 more7 hr
Mar 30, 12:33 PM CSTMesoscale DiscussionSPCAtoka, Canadian, Carter, Cleveland, Coal, Comanche and 17 more117 min
Mar 30, 2:46 PM CSTMesoscale DiscussionSPCAtoka, Canadian, Carter, Cleveland, Coal, Garvin and 15 more119 min
Mar 30, 5:10 PM CSTMesoscale DiscussionSPCAtoka, Bryan, Carter, Choctaw, Coal, Haskell and 13 more2 hr
Mar 30, 1:36 PM CSTMesoscale DiscussionSPCArcher, Clay, Cooke, Denton, Jack, Montague and 8 more114 min

Nearby

Tornado Watches in Oklahoma, 2006Tornado Watches in Texas, 2006Tornado Watches in Kansas, 2006Every tornado watch in 2006

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.