Alert archive / Kansas / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 117, NWS Goodland, KS

June 20, 2011Cheyenne County, Kansas; Yuma County, Colorado; Dundy County, Nebraska

NWS Goodland, KS issued this severe thunderstorm warning at Jun 20, 2011, 12:20 AM CDT for Cheyenne County, Kansas; Yuma County, Colorado; Dundy County, Nebraska. It was in force for 55 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: Jun 20, 2011, 12:20 AM CDT (05:20 UTC)
Expired: Jun 20, 2011, 1:15 AM CDT
In force: 55 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Yuma County, CO, Cheyenne County, KS, Dundy County, NE

The radar

The Goodland radar (KGLD), 90 km from the middle of the area, began a volume at 05:20 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

Time	Report	Where	Remark
Jun 20, 12:20 AM CDT	TSTM WND GST 60	Wray, CO

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

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 0 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 19, 6:10 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 5.3 hours before the alert went out and 124 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: 874 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 1618 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 211 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 4.0

Open this sounding in Storm Lab

The text

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

971 
WUUS53 KGLD 200520
SVRGLD
COC125-KSC023-NEC057-200615-
/O.NEW.KGLD.SV.W.0117.110620T0520Z-110620T0615Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
1120 PM MDT SUN JUN 19 2011

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL YUMA COUNTY IN NORTHEAST COLORADO...
  NORTHERN CHEYENNE COUNTY IN NORTHWEST KANSAS...
  DUNDY COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 1215 AM MDT/115 AM CDT/

* AT 1117 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  VERNON...AND WAS MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WAUNETA...WRAY...BEECHER ISLAND...LAIRD...ALVIN...HAIGLER...
  PARKS...BENKELMAN AND MAX.

THIS INCLUDES HIGHWAY 34 BETWEEN MILE MARKERS 1 AND 43.

THIS INCLUDES HIGHWAY 27 BETWEEN MILE MARKERS 211 AND 226.

THIS INCLUDES HIGHWAY 385 BETWEEN MILE MARKERS 225 AND 265.

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MDT MONDAY
MORNING/100 AM CDT MONDAY MORNING/ FOR SOUTHWEST NEBRASKA.

&&

LAT...LON 4038 10204 4035 10204 4035 10132 4001 10132
      4000 10141 3985 10141 3982 10241 4039 10244
TIME...MOT...LOC 0520Z 265DEG 40KT 3999 10224
WIND...HAIL 60MPH 1.00IN
$$

024

2 follow-up statements

251 
WWUS53 KGLD 200544
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
1144 PM MDT SUN JUN 19 2011

COC125-KSC023-NEC057-200615-
/O.CON.KGLD.SV.W.0117.000000T0000Z-110620T0615Z/
YUMA CO-CHEYENNE KS-DUNDY NE-
1144 PM MDT SUN JUN 19 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR DUNDY...
NORTHERN CHEYENNE AND EAST CENTRAL YUMA COUNTIES UNTIL 1215 AM
MDT/115 AM CDT/...

AT 1136 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 8 MILES
SOUTH OF ALVIN...AND WAS MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  HAIGLER...PARKS...BENKELMAN AND MAX.

OUTFLOW WINDS OF UP TO 60 MPH MAY IMPACT AREAS FAR REMOVED FROM THE 
THUNDERSTORM...INCLUDING NORTHERN CHEYENNE COUNTY IN KANSAS.

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.

&&

LAT...LON 4038 10204 4035 10204 4035 10132 4001 10132
      4000 10141 3985 10141 3982 10228 4039 10227
TIME...MOT...LOC 0543Z 265DEG 40KT 4020 10199
WIND...HAIL 60MPH 1.00IN
$$

024

461 
WWUS53 KGLD 200617
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
1217 AM MDT MON JUN 20 2011

COC125-KSC023-NEC057-200628-
/O.EXP.KGLD.SV.W.0117.000000T0000Z-110620T0615Z/
YUMA CO-CHEYENNE KS-DUNDY NE-
1217 AM MDT MON JUN 20 2011

...THE SEVERE THUNDERSTORM WARNING FOR DUNDY...NORTHERN CHEYENNE AND
EAST CENTRAL YUMA COUNTIES HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA...HOWEVER SMALL HAIL...GUSTY WINDS AND HEAVY RAIN ARE STILL
POSSIBLE WITH THIS THUNDERSTORM.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN GOODLAND.

LAT...LON 4038 10204 4035 10204 4035 10132 4001 10132
      4000 10141 3985 10141 3982 10228 4039 10227
TIME...MOT...LOC 0544Z 265DEG 40KT 4020 10197
$$

BULLER

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Goodland, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 20, 12:00 AM CDT, 20 minutes earlier.

Area forecast discussion, Jun 20, 12:00 AM CDT, 20 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GOODLAND KS
1100 PM MDT SUN JUN 19 2011

.UPDATE...
913 PM MDT SUN JUN 19 2011

ISSUED UPDATED ZONES. WATCH FOR YUMA AND KIT CARSON HAS EXPIRED.
CURRENT PRECIPITATION FORECAST FOR THE REST OF TONIGHT LOOKS ON
TRACK COMPARED CURRENT TRENDS AND LATEST MODEL DATA. MADE A SLIGHT
ADJUSTMENT ON THE WINDS AND TOUCHED UP THE HOURLY GRIDS.

BULLER
&&

.DISCUSSION...
200 PM MDT SUN JUN 19 2011

UNSEASONABLY STRONG UPPER LOW AND ASSOCIATED TROUGH CURRENTLY
MOVING TOWARD THE FOUR CORNERS AREA WILL ROTATE ACROSS THE AREA
MONDAY THEN NORTHEAST INTO NORTHEAST NEBRASKA TUESDAY MORNING THEN
CLOSE TO THE GREAT LAKES AREA BY THE END OF THE DAY WEDNESDAY WITH
LARGE UPPER RIDGE BUILDING INTO THE SOUTHWEST PART OF THE COUNTRY.

FOR TONIGHT THROUGH MONDAY NIGHT INCREASING MOISTURE AND JET
DYNAMICS MOVE INTO FAR EASTERN COLORADO AFTER MIDNIGHT/EARLY
MONDAY MORNING THEN ON TOP OF THE AREA BY 00Z TUESDAY.
PRECIPITATION WILL INITIALLY BE LOCATED ACROSS THE FAR NORTH AND
NORTHWEST/WEST TONIGHT INCREASING ACROSS THE WEST OVERNIGHT AS THE
SYSTEM ADVANCES EAST. FOR MONDAY WIDESPREAD RAIN WITH A FEW
THUNDERSTORMS OVER MOST OF THE AREA EXITING MONDAY NIGHT FROM
SOUTHWEST TO NORTHEAST. RAINFALL AMOUNTS WITH THIS SYSTEM LIKELY
TO EXCEED AN INCH WITH PERHAPS TWO INCHES...GENERALLY ACROSS THE
NORTHWEST 1/3 OF THE AREA NORTH OF THE INTERSTATE.

UNDER THE EXTENSIVE CLOUD COVER AND PRECIPITATION TEMPERATURES
WILL STRUGGLE INTO THE 60S AND LOW 70S...FURTHER EAST BY HILL CITY
LOW 80S EXPECTED AS THEY WILL SEE MORE SUN AHEAD OF THE SYSTEM.
NORTHWEST WINDS OF 20 TO 30 MPH WITH HIGHER GUSTS ALSO EXPECTED
ACROSS THE WESTERN 1/2 OF THE AREA MONDAY. TUESDAY WILL ALSO BE
WINDY FROM THE NORTHWEST BUT THERE WILL ALSO BE MORE SUNSHINE AND
WARMER TEMPERATURES WITH MID 70S TO AROUND 80 EXPECTED. FOR
WEDNESDAY A TAD WARMER WITH 80-85 ACROSS THE AREA.

THURSDAY-SUNDAY...SEASONAL TEMPERATURES EXPECTED WITH THE AREA IN
BETWEEN UPPER HIGH TO THE SOUTH AND UPPER TROUGH ACROSS THE FAR
NORTHERN PLAINS BY THE END OF THE PERIOD. LOOKS PRETTY DRY FOR
THURSDAY AND FRIDAY WITH PERHAPS SOME THUNDERSTORMS SATURDAY AND
SUNDAY...CONFIDENCE IN WHERE AND WHEN NOT REAL HIGH.

007
&&

.AVIATION...
1055 PM MDT SUN JUN 19 2011

FOR THE 06Z TAFS...VERY COMPLICATED AND ACTIVE FORECAST PERIOD.
INITIAL PROBLEM WILL CEILINGS AND THUNDERSTORM CHANCES. UPSLOPE
WINDS HAVE CAUSED MVFR CEILINGS TO DEVELOP. WITH CONTINUED UPSLOPE
AND PRECIPITATION DEVELOPING...WIDESPREAD IFR TO LIFR CEILINGS
EXPECTED TO DEVELOP AND CONTINUE THROUGH MOST OF THE PERIOD. BEST
THUNDERSTORM CHANCES INITIALLY WILL BE NEAR KMCK WITH AN OUTSIDE
CHANCE AT KGLD BY LATER ON TONIGHT. AFTER 12Z...WIDESPREAD
PRECIPITATION WILL DEVELOP MVFR VISIBILITIES ON TOP OF THE LOW
CEILINGS. WILLS CONTINUE INCREASE AND BECOME MORE GUSTY AS THE
PERIOD PROGRESSES WITH THE HIGHEST SPEEDS AND GUSTS EXPECTED NEAR
THE LAST QUARTER OF THE TAF VALID TIME.

BULLER
&&

.GLD WATCHES/WARNINGS/ADVISORIES...
KS...NONE.
NE...NONE.
CO...NONE.
&&

Hazardous weather outlook, Jun 19, 3:35 PM CDT, 8 hours 45 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
235 PM MDT SUN JUN 19 2011

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-201200-
YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON-
SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA-
DUNDY-HITCHCOCK-RED WILLOW-
235 PM MDT SUN JUN 19 2011 /335 PM CDT SUN JUN 19 2011/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHWEST
NEBRASKA...NORTHWEST KANSAS AND EAST CENTRAL COLORADO.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SEVERE THUNDERSTORMS ARE EXPECTED GENERALLY ALONG AND NORTH OF
INTERSTATE 70 THROUGH THE REMAINDER OF THE AFTERNOON INTO TONIGHT. THE
BEST CHANCE FOR SEVERE WEATHER WILL BE ACROSS YUMA COUNTY COLORADO
AND FAR SOUTHWEST NEBRASKA.

LARGE HAIL...DAMAGING WINDS...TORNADOES...AND LOCALLY HEAVY RAIN
ARE ALL POSSIBLE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

AN UNSEASONABLY STRONG LOW PRESSURE SYSTEM WILL SLOWLY MOVE ACROSS
THE TRI-STATE AREA MONDAY EXITING FROM WEST TO EAST MONDAY NIGHT.
WIDESPREAD RAIN WITH A FEW THUNDERSTORMS ARE EXPECTED THROUGH MUCH
OF THE DAY. A FEW STORMS COULD BECOME SEVERE AND THE RAIN MAY BE
HEAVY AT TIMES.

FOR TUESDAY THROUGH SATURDAY WIDESPREAD SEVERE WEATHER IS NOT
EXPECTED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE NEEDED GENERALLY ALONG AND NORTH OF
INTERSTATE 70 THIS AFTERNOON AND TONIGHT.

In the hours before

Local storm report, Jun 19, 7:57 PM CDT, 4 hours 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
657 PM MDT SUN JUN 19 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0640 PM     TORNADO          6 S PALISADE            40.25N 101.11W
06/19/2011                   HITCHCOCK          NE   TRAINED SPOTTER

&&

BAS

Local storm report, Jun 19, 8:27 PM CDT, 3 hours 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
727 PM MDT SUN JUN 19 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0720 PM     TORNADO          7 NNW MCCOOK            40.30N 100.65W
06/19/2011                   RED WILLOW         NE   STORM CHASER

            MULTIPLE TORNADOES REPORTED

&&

BAS

Local storm report, Jun 19, 8:58 PM CDT, 3 hours 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
758 PM MDT SUN JUN 19 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0757 PM     TORNADO          INDIANOLA               40.23N 100.42W
06/19/2011                   RED WILLOW         NE   STORM CHASER

            MULTIPLE TORNADOES REPORTED

&&

BAS

Local storm report, Jun 19, 9:21 PM CDT, 2 hours 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
821 PM MDT SUN JUN 19 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0818 PM     HAIL             CLARKVILLE              40.38N 102.62W
06/19/2011  E1.00 INCH       YUMA               CO   TRAINED SPOTTER

            PEA TO QUARTER SIZE HAIL COVERING THE GROUND. LITTLE WIND
            AT THIS TIME.

&&

MBULLER

Local storm report, Jun 19, 10:08 PM CDT, 2 hours 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
908 PM MDT SUN JUN 19 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0840 PM     HAIL             8 N WAUNETA             40.41N 102.25W
06/19/2011  E1.75 INCH       YUMA               CO   PUBLIC

&&

BAS

Local storm report, Jun 19, 11:49 PM CDT, 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
1049 PM MDT SUN JUN 19 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1048 PM     HAIL             YUMA                    40.12N 102.72W
06/19/2011  E1.00 INCH       YUMA               CO   EMERGENCY MNGR

&&

024

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 3:48 AM CDT	Wind Advisory	GLD	Cheyenne, Gove, Greeley, Logan, Sherman, Thomas and 2 more	23 hr
Jun 20, 3:56 AM CDT	Flash Flood Watch	GLD	Cheyenne	17 hr
Jun 20, 5:34 AM CDT	Severe Thunderstorm Warning	GLD	Greeley, Wallace	41 min
Jun 20, 6:06 AM CDT	Severe Thunderstorm Warning	GLD	Greeley, Logan, Wallace	39 min
Jun 20, 6:34 AM CDT	Severe Thunderstorm Warning	GLD	Gove, Logan, Thomas, Wallace	41 min
Jun 20, 7:09 AM CDT	Severe Thunderstorm Warning	GLD	Gove, Logan, Sheridan, Thomas	51 min
Jun 20, 7:26 AM CDT	Severe Thunderstorm Warning	GLD	Greeley, Wallace	64 min
Jun 20, 7:53 AM CDT	Severe Thunderstorm Warning	GLD	Decatur, Gove, Graham, Norton, Sheridan, Thomas	67 min
Jun 20, 8:19 AM CDT	Severe Thunderstorm Warning	GLD	Logan, Sherman, Wallace	56 min
Jun 20, 9:13 AM CDT	Special Weather Statement	GLD	Sherman	47 min
Jun 20, 9:46 AM CDT	Severe Thunderstorm Warning	GLD	Rawlins, Thomas	59 min
Jun 20, 9:49 AM CDT	Special Weather Statement	GLD	Greeley, Wichita	26 min
Jun 20, 10:09 AM CDT	Severe Thunderstorm Warning	GLD	Wichita	44 min
Jun 20, 10:44 AM CDT	Severe Thunderstorm Warning	GLD	Rawlins	61 min
Jun 20, 10:53 AM CDT	Special Weather Statement	GLD	Wichita	52 min
Jun 20, 11:21 AM CDT	Severe Thunderstorm Warning	GLD	Gove	25 min
Jun 20, 12:47 PM CDT	Severe Thunderstorm Warning	GLD	Gove, Graham, Sheridan	58 min
Jun 20, 12:56 PM CDT	Tornado Warning	GLD	Gove, Graham, Sheridan	52 min
Jun 20, 1:26 PM CDT	Tornado Warning	GLD	Decatur, Graham, Norton, Sheridan	64 min
Jun 20, 1:35 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne, Rawlins	30 min
Jun 20, 1:43 PM CDT	Flash Flood Warning	GLD	Logan, Sherman, Thomas, Wallace	6 hr
Jun 20, 2:03 PM CDT	Tornado Warning	GLD	Graham, Norton	27 min
Jun 20, 2:09 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne, Rawlins	51 min
Jun 20, 2:26 PM CDT	Tornado Warning	GLD	Norton	34 min
Jun 20, 2:57 PM CDT	Tornado Warning	GLD	Norton	18 min
Jun 20, 3:02 PM CDT	Flash Flood Warning	GLD	Gove, Sheridan, Thomas	6 hr
Jun 20, 3:29 PM CDT	Special Weather Statement	GLD	Logan	31 min
Jun 20, 4:10 PM CDT	Flash Flood Warning	GLD	Cheyenne, Rawlins, Sherman, Thomas	3 hr
Jun 20, 4:16 PM CDT	Special Weather Statement	GLD	Decatur	29 min
Jun 20, 4:21 PM CDT	Severe Thunderstorm Warning	GLD	Gove, Logan, Sheridan, Thomas	35 min
Jun 20, 5:02 PM CDT	Tornado Warning	GLD	Sheridan	17 min
Jun 20, 5:18 PM CDT	Severe Thunderstorm Warning	GLD	Decatur, Sheridan	42 min
Jun 20, 5:27 PM CDT	Tornado Warning	GLD	Sheridan	63 min
Jun 20, 5:57 PM CDT	Tornado Warning	GLD	Decatur, Graham, Norton, Sheridan	1 min
Jun 20, 6:00 PM CDT	Tornado Warning	GLD	Decatur	60 min
Jun 20, 6:25 PM CDT	Tornado Warning	GLD	Decatur, Norton	65 min
Jun 20, 6:49 PM CDT	Tornado Warning	GLD	Decatur, Sheridan	56 min
Jun 20, 6:51 PM CDT	Flash Flood Warning	GLD	Decatur, Rawlins, Sheridan, Thomas	6 hr
Jun 19, 8:48 PM CDT	Tornado Warning	GLD	Yuma	57 min
Jun 19, 9:37 PM CDT	Tornado Warning	GLD	Yuma	38 min
Jun 19, 11:37 PM CDT	Severe Thunderstorm Warning	GLD	Yuma	53 min
Jun 19, 7:25 PM CDT	Tornado Warning	GLD	Hitchcock	47 min
Jun 19, 7:59 PM CDT	Tornado Warning	GLD	Hitchcock, Red Willow	61 min
Jun 19, 8:31 PM CDT	Tornado Warning	GLD	Red Willow	59 min
Jun 19, 8:36 PM CDT	Tornado Warning	GLD	Red Willow	54 min
Jun 19, 11:10 PM CDT	Severe Thunderstorm Warning	GLD	Dundy, Hitchcock	52 min
Jun 19, 11:45 PM CDT	Severe Thunderstorm Warning	GLD	Hitchcock, Red Willow	43 min
Jun 20, 12:14 AM CDT	Severe Thunderstorm Warning	GLD	Red Willow	37 min
Jun 20, 11:47 AM CDT	Special Weather Statement	GLD	Red Willow	58 min
Jun 20, 12:49 PM CDT	Special Weather Statement	GLD	Red Willow	56 min
Jun 20, 2:44 PM CDT	Severe Thunderstorm Warning	GLD	Dundy	33 min
Jun 20, 3:16 PM CDT	High Wind Warning	GLD	Hitchcock, Red Willow	104 min
Jun 20, 6:10 PM CDT	Severe Thunderstorm Warning	GLD	Red Willow	65 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2011 Severe Thunderstorm Warnings in Colorado, 2011 Severe Thunderstorm Warnings in Nebraska, 2011 Every 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.