Alert archive / Kansas / Tornado Watches in 2007

Tornado Watch 419

June 19, 200729 counties in Kansas

The Storm Prediction Center issued this tornado watch at Jun 19, 2007, 1:13 PM CDT for 29 counties in Kansas. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Jun 19, 2007, 1:13 PM CDT (18:13 UTC)
Expired
Jun 19, 2007, 9:00 PM CDT
In force
8 hr
Issued by
the Storm Prediction Center
Largest hail expected
4 in
Strongest gust expected
70 kt
All 29 counties

Barton County, KS, Decatur County, KS, Edwards County, KS, Ellis County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Graham County, KS, Gray County, KS, Hodgeman County, KS, Kearny County, KS, Lane County, KS, Logan County, KS, Ness County, KS, Norton County, KS, Osborne County, KS, Pawnee County, KS, Phillips County, KS, Rawlins County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Scott County, KS, Sheridan County, KS, Smith County, KS, Stafford County, KS, Thomas County, KS, Trego County, KS, Wichita County, KS

The radar

The Goodland radar (KGLD), 140 km from the middle of the area, began a volume at 18:17 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
40%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
30%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
60%
One or more hailstones of 2 inches or more
60%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 19, 1:44 PM CDTTornado WarningGLDGraham, Sheridan61 min
Jun 19, 2:09 PM CDTSevere Thunderstorm WarningGLDDecatur, Rawlins66 min
Jun 19, 2:43 PM CDTTornado WarningGLDGraham, Sheridan62 min
Jun 19, 2:58 PM CDTTornado WarningGLDDecatur31 min
Jun 19, 3:23 PM CDTFlash Flood WarningGLDDecatur, Graham, Sheridan6 hr
Jun 19, 3:26 PM CDTSevere Thunderstorm WarningGLDSheridan64 min
Jun 19, 3:44 PM CDTTornado WarningGLDGove, Sheridan61 min
Jun 19, 3:50 PM CDTTornado WarningGLDSheridan55 min
Jun 19, 4:44 PM CDTSevere Thunderstorm WarningDDCLane61 min
Jun 19, 4:45 PM CDTSevere Thunderstorm WarningGLDGove36 min
Jun 19, 5:00 PM CDTSevere Thunderstorm WarningDDCNess75 min
Jun 19, 5:23 PM CDTFlash Flood WarningGLDGove3 hr
Jun 19, 5:36 PM CDTSevere Thunderstorm WarningGLDThomas45 min
Jun 19, 5:39 PM CDTSevere Thunderstorm WarningDDCFinney, Lane81 min
Jun 19, 6:01 PM CDTSevere Thunderstorm WarningDDCKearny44 min
Jun 19, 6:07 PM CDTSevere Thunderstorm WarningDDCHodgeman53 min
Jun 19, 6:10 PM CDTSevere Thunderstorm WarningDDCNess35 min
Jun 19, 6:29 PM CDTSevere Thunderstorm WarningDDCFinney, Gray76 min
Jun 19, 6:39 PM CDTSevere Thunderstorm WarningDDCGrant, Kearny81 min
Jun 19, 7:00 PM CDTSevere Thunderstorm WarningDDCHodgeman45 min
Jun 19, 7:22 PM CDTSevere Thunderstorm WarningDDCFord68 min
Jun 19, 7:41 PM CDTSevere Thunderstorm WarningDDCGray49 min
Jun 19, 8:05 PM CDTSevere Thunderstorm WarningDDCClark, Ford, Meade70 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

Dodge City, (KDDC), launched 12:00Z, 6.2 hours before the alert went out and 146 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, Dodge City, at 12:00Z on 2007-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2489 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, Dodge City, at 12:00Z on 2007-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.193958Sfc1 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
2489 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
630 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
166 m²/s²
Significant tornado parameter
0.2
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

000
WWUS20 KWNS 191814
SEL9  
SPC WW 191814
KSZ000-NEZ000-200200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 419
NWS STORM PREDICTION CENTER NORMAN OK
115 PM CDT TUE JUN 19 2007

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

       MUCH OF WESTERN KANSAS
       SMALL PART OF SOUTHWEST NEBRASKA

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 115 PM UNTIL
900 PM CDT.

TORNADOES...HAIL TO 4 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH OF HILL CITY
KANSAS TO 10 MILES SOUTH SOUTHEAST OF DODGE CITY KANSAS.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU9).

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...CONTINUE...WW 417...WW 418...

DISCUSSION...SEVERE THUNDERSTORMS DEVELOPING VICINITY GRAHAM COUNTY
KS WILL CONTINUE TO INTENSIFY AS EXTREME INSTABILITY MOVES NWD THRU
WRN KS.  WITH FAVORABLE VEERING SHEAR PROFILES...SUPERCELLS ALONG
WITH VERY LARGE HAIL AND POSSIBLE TORNADOS WILL BE LIKELY.  STORMS
SHOULD INCREASER IN NUMBER ACROSS THE WATCH AREA THRU THE AFTERNOON
AS THE WEAK CAP CONTINUES TO ERODE.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
600. MEAN STORM MOTION VECTOR 36015.


...HALES

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 12:59 PM CDTMesoscale DiscussionSPCCheyenne, Decatur, Ellis, Finney, Gove, Graham and 17 more61 min
Jun 19, 3:31 PM CDTMesoscale DiscussionSPCHamilton, Morton, Stanton, Stevens89 min
Jun 19, 4:37 PM CDTMesoscale DiscussionSPCBarber, Clark, Comanche, Harper, Kingman, Kiowa and 2 more23 min
Jun 19, 4:52 PM CDTSevere Thunderstorm WatchSPCBarber, Clark, Comanche, Grant, Hamilton, Harper and 10 more7 hr
Jun 19, 5:24 PM CDTMesoscale DiscussionSPCBarton, Cheyenne, Edwards, Finney, Ford, Gove and 22 more66 min

Nearby

Tornado Watches in Kansas, 2007Every tornado watch 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.