Alert archive / Colorado / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 116, NWS Pueblo, CO

September 27, 2012Kiowa County, Prowers County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Sep 27, 2012, 6:59 PM MDT for Kiowa County, Prowers County, Colorado. It was in force for 44 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
Sep 27, 2012, 6:59 PM MDT (00:59 UTC)
Expired
Sep 27, 2012, 7:43 PM MDT
In force
44 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Kiowa County, CO, Prowers County, CO

The radar

The Goodland radar (KGLD), 121 km from the middle of the area, began a volume at 01:00 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 watch it was issued in

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

IssuedProductOfficeLasted
Sep 27, 4:59 PM MDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 1.0 hours before the alert went out and 179 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 2012-09-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 304 joules per kilogram.LCLEL10008507005003002001001 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 2012-09-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 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
304 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1186 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
46 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.

901 
WUUS55 KPUB 280059
SVRPUB
COC061-099-280200-
/O.NEW.KPUB.SV.W.0116.120928T0059Z-120928T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
659 PM MDT THU SEP 27 2012

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN KIOWA COUNTY IN SOUTHEAST COLORADO...
  NORTH CENTRAL PROWERS COUNTY IN SOUTHEAST COLORADO...

* UNTIL 800 PM MDT

* AT 657 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 7 MILES
  NORTH OF NEENOSHE RESERVOIR...OR 24 MILES NORTH OF LAMAR...AND
  MOVING EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CHIVINGTON...BRANDON AND SHERIDAN LAKE.

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 3847 10208 3814 10222 3839 10279 3857 10268
TIME...MOT...LOC 0100Z 291DEG 17KT 3842 10264
WIND...HAIL 60MPH 1.00IN

$$
4 follow-up statements
261 
WWUS55 KPUB 280112
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
712 PM MDT THU SEP 27 2012

COC061-099-280200-
/O.CON.KPUB.SV.W.0116.000000T0000Z-120928T0200Z/
PROWERS CO-KIOWA CO-
712 PM MDT THU SEP 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN KIOWA
AND NORTH CENTRAL PROWERS COUNTIES UNTIL 800 PM MDT...

AT 709 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED NEAR
CHIVINGTON...OR 23 MILES NORTH OF LAMAR...MOVING EAST AT 20 MPH.

MODERATE ROTATION WAS NOTED WITH THIS STORM. IF A TORNADO SHOULD 
OCCUR WITH THIS STORM...IT WOULD BE EMBEDDED IN HEAVY RAIN.

LOCATIONS IMPACTED INCLUDE...
  BRANDON AND SHERIDAN LAKE.

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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MDT
FRIDAY MORNING FOR SOUTHEAST COLORADO.

LAT...LON 3836 10271 3856 10263 3847 10208 3814 10222
TIME...MOT...LOC 0112Z 291DEG 17KT 3841 10254
WIND...HAIL 70MPH 1.00IN

$$
810 
WWUS55 KPUB 280123
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
723 PM MDT THU SEP 27 2012

COC061-099-280200-
/O.CON.KPUB.SV.W.0116.000000T0000Z-120928T0200Z/
PROWERS CO-KIOWA CO-
723 PM MDT THU SEP 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN KIOWA
AND NORTH CENTRAL PROWERS COUNTIES UNTIL 800 PM MDT...

AT 721 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED NEAR
CHIVINGTON...OR 23 MILES NORTH OF LAMAR...MOVING EAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  BRANDON AND SHERIDAN LAKE.

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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MDT
FRIDAY MORNING FOR SOUTHEAST COLORADO.

LAT...LON 3831 10260 3845 10262 3854 10254 3847 10208
      3814 10222
TIME...MOT...LOC 0123Z 291DEG 17KT 3839 10248
WIND...HAIL 70MPH 1.00IN

$$
248 
WWUS55 KPUB 280132
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
732 PM MDT THU SEP 27 2012

COC061-099-280200-
/O.CON.KPUB.SV.W.0116.000000T0000Z-120928T0200Z/
PROWERS CO-KIOWA CO-
732 PM MDT THU SEP 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN KIOWA
AND NORTH CENTRAL PROWERS COUNTIES UNTIL 800 PM MDT...

AT 729 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS
OF 70 MPH.  THIS STORM WAS LOCATED NEAR BRANDON...OR 23 MILES
NORTHEAST OF LAMAR...MOVING EAST AT 20 MPH. PENNY SIZE HAIL MAY ALSO
ACCOMPANY THESE DAMAGING WINDS.

LOCATIONS IMPACTED INCLUDE...
  SHERIDAN LAKE.

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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MDT
FRIDAY MORNING FOR SOUTHEAST COLORADO.

LAT...LON 3828 10252 3832 10252 3842 10255 3852 10243
      3847 10208 3814 10222
TIME...MOT...LOC 0132Z 291DEG 17KT 3837 10243
WIND...HAIL 70MPH 0.75IN

$$
818 
WWUS55 KPUB 280143
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
743 PM MDT THU SEP 27 2012

COC061-099-280152-
/O.CAN.KPUB.SV.W.0116.000000T0000Z-120928T0200Z/
PROWERS CO-KIOWA CO-
743 PM MDT THU SEP 27 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN KIOWA AND NORTH
CENTRAL PROWERS COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR 
PROPERTY...HOWEVER STRONG GUSTY WINDS...HEAVY RAIN AND SMALL PEA 
SIZE HAIL ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MDT
FRIDAY MORNING FOR SOUTHEAST COLORADO.

LAT...LON 3828 10252 3832 10252 3842 10255 3852 10243
      3847 10208 3814 10222
TIME...MOT...LOC 0142Z 291DEG 17KT 3835 10237

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 27, 6:06 PM MDTSevere Thunderstorm WarningPUBBent, Crowley, Kiowa, Otero54 min
Sep 27, 6:29 PM MDTTornado WarningPUBBent, Otero46 min
Sep 27, 7:10 PM MDTSevere Thunderstorm WarningPUBBent, Kiowa, Las Animas, Otero, Prowers33 min
Sep 27, 8:19 PM MDTSevere Thunderstorm WarningPUBBaca, Bent, Prowers24 min
Sep 27, 8:34 PM MDTAreal Flood AdvisoryPUBBent, Prowers85 min
Sep 27, 8:42 PM MDTAreal Flood AdvisoryPUBBent, Otero77 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2012Every severe thunderstorm warning in 2012

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.