Alert archive / Colorado / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 48, NWS Pueblo, CO

June 20, 20114 counties in Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jun 20, 2011, 2:35 AM MDT for 4 counties in Colorado. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 20, 2011, 2:35 AM MDT (08:35 UTC)
Expired
Jun 20, 2011, 3:11 AM MDT
In force
36 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Bent County, CO, Crowley County, CO, Kiowa County, CO, Otero County, CO

The radar

The Pueblo radar (KPUX), 58 km from the middle of the area, began a volume at 08:36 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

Denver, CO (KDNR), launched 00:00Z, 8.6 hours before the alert went out and 181 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 2011-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 874 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2011-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.1939587897Sfc1 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
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.

499 
WUUS55 KPUB 200835
SVRPUB
COC011-025-061-089-200930-
/O.NEW.KPUB.SV.W.0048.110620T0835Z-110620T0930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
235 AM MDT MON JUN 20 2011

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN BENT COUNTY IN SOUTHEAST COLORADO...
  EASTERN CROWLEY COUNTY IN SOUTHEAST COLORADO...
  SOUTHWESTERN KIOWA COUNTY IN SOUTHEAST COLORADO...
  NORTHEASTERN OTERO COUNTY IN SOUTHEAST COLORADO...

* UNTIL 330 AM MDT

* AT 227 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR   
  INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG     
  BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS      
  STORM WAS LOCATED NEAR CHERAW...OR 10 MILES NORTH OF LA            
  JUNTA...AND MOVING NORTH AT 15   MPH. OTHER SEVERE STORMS          
  WERE  LOCATED BETWEEN ORDWAY AND CHERAW...ALSO MOVING NORTH AT     
  15 MPH. 

* LOCATIONS IMPACTED INCLUDE...
  SUGAR CITY AND ARLINGTON.

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 3842 10369 3832 10323 3803 10341 3814 10377
TIME...MOT...LOC 0832Z 201DEG 14KT 3814 10348
WIND...HAIL 60MPH 1.00IN

$$
3 follow-up statements
796 
WWUS55 KPUB 200844
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
244 AM MDT MON JUN 20 2011

COC011-025-061-089-200930-
/O.CON.KPUB.SV.W.0048.000000T0000Z-110620T0930Z/
OTERO CO-CROWLEY CO-BENT CO-KIOWA CO-
244 AM MDT MON JUN 20 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
KIOWA...NORTHWESTERN BENT...EASTERN CROWLEY AND NORTHEASTERN OTERO
COUNTIES UNTIL 330 AM MDT...

AT 241 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL...
AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 9
MILES NORTHEAST OF CHERAW...OR 17 MILES NORTHEAST OF LA JUNTA...
MOVING NORTH AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
  ARLINGTON.

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 3818 10376 3842 10369 3832 10323 3810 10337
TIME...MOT...LOC 0844Z 201DEG 14KT 3821 10339
WIND...HAIL 60MPH 1.50IN

$$
254 
WWUS55 KPUB 200855
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
255 AM MDT MON JUN 20 2011

COC011-025-061-089-200930-
/O.CON.KPUB.SV.W.0048.000000T0000Z-110620T0930Z/
OTERO CO-CROWLEY CO-BENT CO-KIOWA CO-
255 AM MDT MON JUN 20 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
KIOWA...NORTHWESTERN BENT...EAST CENTRAL CROWLEY AND EXTREME
NORTHEASTERN OTERO COUNTIES UNTIL 330 AM MDT...

AT 250 AM 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 7 MILES
SOUTH OF ARLINGTON...OR 21 MILES NORTHEAST OF LA JUNTA...MOVING NORTH
AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
  ARLINGTON.

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 3824 10374 3842 10369 3832 10323 3816 10333
TIME...MOT...LOC 0855Z 201DEG 14KT 3825 10332
WIND...HAIL 60MPH 1.00IN

$$
916 
WWUS55 KPUB 200911
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
311 AM MDT MON JUN 20 2011

COC011-025-061-089-200920-
/O.CAN.KPUB.SV.W.0048.000000T0000Z-110620T0930Z/
OTERO CO-CROWLEY CO-BENT CO-KIOWA CO-
311 AM MDT MON JUN 20 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN KIOWA...
NORTHWESTERN BENT...EAST CENTRAL CROWLEY AND EXTREME NORTHEASTERN
OTERO COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

LAT...LON 3824 10374 3842 10369 3832 10323 3816 10333
TIME...MOT...LOC 0910Z 201DEG 14KT 3830 10329

$$

The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 20, 3:21 AM MDTSevere Thunderstorm WarningPUBKiowa27 min
Jun 20, 4:31 AM MDTSevere Thunderstorm WarningPUBKiowa25 min
Jun 20, 5:54 AM MDTSevere Thunderstorm WarningPUBKiowa54 min
Jun 20, 7:17 AM MDTSevere Thunderstorm WarningPUBBent, Prowers46 min
Jun 20, 7:31 AM MDTSevere Thunderstorm WarningPUBBaca, Prowers34 min
Jun 20, 2:37 PM MDTFrost AdvisoryPUBAlamosa, Conejos, Costilla, Rio Grande, Saguache17 hr

Nearby

Severe Thunderstorm Warnings in Colorado, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.