Alert archive / Colorado / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 9, NWS Pueblo, CO

May 18, 20114 counties in Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at May 18, 2011, 8:33 PM 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
May 18, 2011, 8:33 PM MDT (02:33 UTC)
Expired
May 18, 2011, 9:09 PM 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), 65 km from the middle of the area, began a volume at 02:37 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, 2.6 hours before the alert went out and 165 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 2011-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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 2011-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
4 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
759 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
234 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.

921 
WUUS55 KPUB 190233
SVRPUB
COC011-025-061-089-190330-
/O.NEW.KPUB.SV.W.0009.110519T0233Z-110519T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
833 PM MDT WED MAY 18 2011

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

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

* UNTIL 930 PM MDT

* AT 827 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 5 MILES
  NORTH OF SUGAR CITY...OR 24 MILES NORTH OF LA JUNTA...AND MOVING
  NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ARLINGTON AND HASWELL.

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 3827 10301 3811 10350 3823 10367 3831 10394
      3851 10400 3852 10397 3852 10319 3861 10317
      3861 10297
TIME...MOT...LOC 0233Z 226DEG 37KT 3835 10363
WIND...HAIL 60MPH 1.00IN

$$
5 follow-up statements
710 
WWUS55 KPUB 190241
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
841 PM MDT WED MAY 18 2011

COC011-025-061-089-190330-
/O.CON.KPUB.SV.W.0009.000000T0000Z-110519T0330Z/
OTERO CO-CROWLEY CO-BENT CO-KIOWA CO-
841 PM MDT WED MAY 18 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
KIOWA...NORTHWESTERN BENT...CROWLEY AND NORTHEASTERN OTERO COUNTIES
UNTIL 930 PM MDT...

AT 837 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 9 MILES
SOUTHWEST OF ARLINGTON...OR 21 MILES NORTH OF LA JUNTA...MOVING
NORTHEAST AT 45 MPH.

THIS STORM HAS SHOWN INCREASING ROTATION BETWEEN 830 PM AND 840 PM.

LOCATIONS IMPACTED INCLUDE...
  ARLINGTON AND HASWELL.

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 3827 10301 3811 10350 3823 10367 3831 10394
      3851 10400 3852 10397 3852 10319 3861 10317
      3861 10297
TIME...MOT...LOC 0241Z 226DEG 37KT 3830 10344
WIND...HAIL 60MPH 1.00IN

$$
908 
WWUS55 KPUB 190245
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
845 PM MDT WED MAY 18 2011

COC011-025-061-089-190330-
/O.CON.KPUB.SV.W.0009.000000T0000Z-110519T0330Z/
OTERO CO-CROWLEY CO-BENT CO-KIOWA CO-
845 PM MDT WED MAY 18 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
KIOWA...NORTHWESTERN BENT...NORTHEASTERN CROWLEY AND EXTREME
NORTHEASTERN OTERO COUNTIES UNTIL 930 PM MDT...

AT 841 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 6 MILES
WEST OF ARLINGTON...OR 23 MILES NORTH OF LA JUNTA...MOVING NORTHEAST
AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  ARLINGTON AND HASWELL.

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 3827 10301 3816 10334 3816 10353 3832 10362
      3832 10376 3852 10397 3852 10319 3861 10317
      3861 10297
TIME...MOT...LOC 0245Z 226DEG 37KT 3833 10340
WIND...HAIL 60MPH 1.00IN

$$
993 
WWUS55 KPUB 190254
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
854 PM MDT WED MAY 18 2011

COC011-089-190304-
/O.CAN.KPUB.SV.W.0009.000000T0000Z-110519T0330Z/
OTERO CO-BENT CO-
854 PM MDT WED MAY 18 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BENT AND EXTREME
NORTHEASTERN OTERO COUNTIES IS CANCELLED...

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

LAT...LON 3827 10301 3827 10335 3826 10348 3840 10362
      3838 10375 3852 10393 3852 10319 3861 10317
      3861 10297
TIME...MOT...LOC 0254Z 226DEG 37KT 3837 10336

$$

COC025-061-190330-
/O.CON.KPUB.SV.W.0009.000000T0000Z-110519T0330Z/
CROWLEY CO-KIOWA CO-
854 PM MDT WED MAY 18 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN KIOWA
AND NORTHEASTERN CROWLEY COUNTIES UNTIL 930 PM MDT...

AT 850 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
ARLINGTON...OR 27 MILES NORTH OF LA JUNTA...MOVING NORTHEAST AT 45
MPH.

THE STRONGEST ROTATION WITH THIS STORM WAS LOCATED 4 MILES WEST OF 
ARLINGTON. 

LOCATIONS IMPACTED INCLUDE...
  HASWELL.

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 3827 10301 3827 10335 3826 10348 3840 10362
      3838 10375 3852 10393 3852 10319 3861 10317
      3861 10297
TIME...MOT...LOC 0254Z 226DEG 37KT 3837 10336
WIND...HAIL 60MPH 1.00IN

$$
137 
WWUS55 KPUB 190304
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
904 PM MDT WED MAY 18 2011

COC025-190313-
/O.CAN.KPUB.SV.W.0009.000000T0000Z-110519T0330Z/
CROWLEY CO-
904 PM MDT WED MAY 18 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CROWLEY COUNTY IS
CANCELLED...

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

LAT...LON 3842 10299 3827 10335 3831 10342 3841 10349
      3851 10348 3852 10319 3861 10317 3861 10297
TIME...MOT...LOC 0303Z 226DEG 37KT 3841 10332

$$

COC061-190330-
/O.CON.KPUB.SV.W.0009.000000T0000Z-110519T0330Z/
KIOWA CO-
904 PM MDT WED MAY 18 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN KIOWA
COUNTY UNTIL 930 PM MDT...

AT 900 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
ARLINGTON...OR 30 MILES NORTH OF LA JUNTA...MOVING NORTHEAST AT 45
MPH.

LOCATIONS IMPACTED INCLUDE...
  HASWELL.

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 10299 3827 10335 3831 10342 3841 10349
      3851 10348 3852 10319 3861 10317 3861 10297
TIME...MOT...LOC 0303Z 226DEG 37KT 3841 10332
WIND...HAIL 60MPH 1.00IN

$$
969 
WWUS55 KPUB 190309
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
909 PM MDT WED MAY 18 2011

COC061-190320-
/O.CAN.KPUB.SV.W.0009.000000T0000Z-110519T0330Z/
KIOWA CO-
909 PM MDT WED MAY 18 2011

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN KIOWA COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

LAT...LON 3842 10299 3827 10335 3831 10342 3841 10349
      3851 10348 3852 10319 3861 10317 3861 10297
TIME...MOT...LOC 0310Z 226DEG 37KT 3846 10325

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 18, 6:09 PM MDTTornado WarningPUBKiowa51 min
May 18, 6:18 PM MDTSevere Thunderstorm WarningPUBCrowley57 min
May 18, 6:58 PM MDTSevere Thunderstorm WarningPUBKiowa22 min
May 18, 7:13 PM MDTSevere Thunderstorm WarningPUBCrowley32 min
May 18, 7:42 PM MDTSevere Thunderstorm WarningPUBCrowley, Otero, Pueblo63 min
May 19, 4:35 PM MDTTornado WarningPUBEl Paso40 min

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.