Alert archive / Kansas / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 252, NWS Goodland, KS

August 7, 2011Sherman County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Aug 7, 2011, 4:23 AM MDT for Sherman County, Kansas. It was in force for 37 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 7, 2011, 4:23 AM MDT (10:23 UTC)
Expired
Aug 7, 2011, 5:00 AM MDT
In force
37 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Sherman County, KS

The radar

The Goodland radar (KGLD), 11 km from the middle of the area, began a volume at 10:27 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 was reported inside it

TimeReportWhereRemark
Aug 7, 4:35 AM MDTHAIL 0.75Goodland, KSMEASURED AT NWS OFFICE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 10.4 hours before the alert went out and 138 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, Denver, CO at 00:00Z on 2011-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 93 joules per kilogram.LCLEL10008507005003002001001 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, Denver, CO at 00:00Z on 2011-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
93 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
4007 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
-2 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.

204 
WUUS53 KGLD 071023
SVRGLD
KSC181-071100-
/O.NEW.KGLD.SV.W.0252.110807T1023Z-110807T1100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
423 AM MDT SUN AUG 7 2011

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SHERMAN COUNTY IN NORTHWEST KANSAS...

* UNTIL 500 AM MDT

* AT 417 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 9 MILES NORTH OF GOODLAND TO
  RULETON TO 11 MILES SOUTH OF KANORADO...AND WAS MOVING SOUTHEAST AT
  25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GOODLAND AND EDSON.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 4 AND 34.

THIS INCLUDES HIGHWAY 27 BETWEEN MILE MARKERS 157 AND 186.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 3913 10202 3918 10205 3927 10205 3935 10197
      3957 10171 3956 10139 3937 10139 3913 10155
TIME...MOT...LOC 1022Z 313DEG 22KT 3945 10167 3928 10187
          3915 10200
WIND...HAIL 60MPH 1.00IN
$$

JRM
2 follow-up statements
568 
WWUS53 KGLD 071037
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
437 AM MDT SUN AUG 7 2011

KSC181-071100-
/O.CON.KGLD.SV.W.0252.000000T0000Z-110807T1100Z/
SHERMAN KS-
437 AM MDT SUN AUG 7 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SHERMAN COUNTY
UNTIL 500 AM MDT...

AT 436 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 8 MILES NORTH OF EDSON TO 6 MILES
SOUTHWEST OF GOODLAND TO 14 MILES SOUTH OF RULETON...AND WAS MOVING
SOUTHEAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  EDSON.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 4 AND 34.

THIS INCLUDES HIGHWAY 27 BETWEEN MILE MARKERS 157 AND 186.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 3913 10202 3918 10205 3927 10205 3935 10197
      3957 10171 3956 10139 3937 10139 3913 10155
TIME...MOT...LOC 1038Z 313DEG 22KT 3944 10156 3927 10176
          3914 10190
WIND...HAIL 60MPH 1.00IN
$$

JRM
548 
WWUS53 KGLD 071101
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
501 AM MDT SUN AUG 7 2011

KSC181-071111-
/O.EXP.KGLD.SV.W.0252.000000T0000Z-110807T1100Z/
SHERMAN KS-
501 AM MDT SUN AUG 7 2011

...THE SEVERE THUNDERSTORM WARNING FOR SHERMAN COUNTY HAS EXPIRED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY.

LAT...LON 3913 10202 3918 10205 3927 10205 3935 10197
      3957 10171 3956 10139 3937 10139 3913 10155
TIME...MOT...LOC 1037Z 313DEG 22KT 3944 10157 3927 10177
          3914 10191
$$

JRM

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 7, 2:45 AM MDTSpecial Weather StatementGLDSherman30 min
Aug 7, 2:48 AM MDTSevere Thunderstorm WarningGLDSherman42 min
Aug 7, 3:20 AM MDTSevere Thunderstorm WarningGLDSherman40 min
Aug 7, 4:18 AM MDTSpecial Weather StatementGLDSherman12 min
Aug 7, 5:01 AM MDTFlash Flood WarningGLDSherman3 hr
Aug 7, 5:27 AM MDTSpecial Weather StatementGLDThomas18 min
Aug 7, 5:40 AM MDTSevere Thunderstorm WarningGLDLogan, Thomas40 min
Aug 7, 6:38 AM MDTSpecial Weather StatementGLDGove22 min
Aug 7, 7:00 AM MDTSpecial Weather StatementGLDGove15 min
Aug 7, 7:16 AM MDTSpecial Weather StatementGLDGove14 min
Aug 7, 7:28 AM MDTSpecial Weather StatementGLDGove17 min
Aug 7, 7:33 AM MDTSpecial Weather StatementGLDGraham12 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2011Every severe thunderstorm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.