Alert archive / Colorado / Flash Flood Warnings in 2002

Flash Flood Warning 12, NWS Pueblo, CO

August 28, 2002Bent County, Prowers County, Colorado

NWS Pueblo, CO issued this flash flood warning at Aug 28, 2002, 3:50 PM MDT for Bent County, Prowers County, Colorado. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 28, 2002, 3:50 PM MDT (21:50 UTC)
Expired
Aug 28, 2002, 6:45 PM MDT
In force
3 hr
Issued by
NWS Pueblo, CO
Area
Counties, with a storm outline in the text

Counties Bent County, CO, Prowers County, CO

The radar

The Pueblo radar (KPUX), 140 km from the middle of the area, began a volume at 21:50 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 12:00Z, 9.8 hours before the alert went out and 200 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 12:00Z on 2002-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 639 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 12:00Z on 2002-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
639 J/kg
Mixed-layer CIN
-190 J/kg
Mixed-layer LCL
579 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
WGUS55 KPUB 282150
FFWPUB
COC011-099-290045-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
344 PM MDT WED AUG 28 2002

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BENT COUNTY IN SOUTHEAST COLORADO
  PROWERS COUNTY IN SOUTHEAST COLORADO

* UNTIL 645 PM MDT

* A SLOW MOVING...VERY STRONG THUNDERSTORM HAS PRODUCED HEAVY RAIN 
OVER NORTHEAST BENT AND NORTHWEST PROWERS COUNTY.  RADAR ESTIMATES 
RAINFALL IN EXCESS OF 4 INCHES SINCE 200 PM.

* SPOTTERS HAVE REPORTED FLASH FLOODING IN THE VICINITY OF WILEY.  
THIS STRONG THUNDERSTORM IS SLOWLY DRIFTING SOUTH AWAY FROM THE 
WILEY AREA.  PERSONS THROUGH NORTHEST BENT AND NORTHWEST PROWERS 
COUNTIES...SHOULD BE PREPARED FOR RAPID RISES IN CREEKS.  THE CORE 
OF THE HEAVIEST RAIN WAS OVER HIGHWAY 287 FROM WILEY AND 
NORTHWARD...WITH THE POTENTIAL FOR FLASH FLOODING OVER HIGHWAY 287.

IF YOU ARE IN OR CLOSE TO THE WARNED AREA GO TO HIGHER GROUND
IMMEDIATELY. PEOPLE ALONG CREEKS AND DRAINAGE AREAS SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO
CROSS SWIFTLY FLOWING WATER OR STILL WATER OF UNKNOWN DEPTH ON FOOT
OR BY VEHICLE. AS LITTLE AS 6 INCHES OF WATER MAY CAUSE YOU TO LOSE
CONTROL OF YOUR VEHICLE...AND 2 FEET OF RUSHING WATER CAN CARRY AWAY
MOST VEHICLES...INCLUDING SUVS AND PICKUPS. NEARLY HALF OF ALL FLOOD
FATALITIES ARE VEHICLE RELATED. IF YOUR VEHICLE STALLS IN WATER
ABANDON IT IMMEDIATELY AND GO TO HIGHER GROUND.

LAT...LON 3822 10247 3798 10246 3798 10288 3824 10289
1 follow-up statement
804 
RWUS32 KPUB 282246
FFSPUB
COC011-099-290045-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
440 PM MDT WED AUG 28 2002

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM MDT WEDNESDAY
EVENING FOR BENT AND PROWERS COUNTY...

THE VERY STRONG THUNDERSTORMS THAT WERE OVER NORTHEAST BENT AND 
NORTHWEST PROWERS COUNTIES...HAVE MOVED SOUTH OF LAMAR.  THERE ARE 
SOME SHOWERS AND THUNDERSTORMS IN THE REGION...BUT ADDITIONAL HEAVY 
RAINFALL IS NOT EXPECTED.

LAW ENFORCEMENT REPORTS HIGH WATER...ALONG SOME OF THE CREEKS NORTH 
OF WILEY.  EVEN THOUGH MOST OF THE HEAVY RAIN HAS ENDED...STREAMS 
AND CREEKS MAY CONTINUE TO RISE...AS THE WATER CONTINUES TO RUN OFF 
FROM THE EARLIER HEAVY RAINS.

BE ALERT FOR FAST RISING WATER AND BE READY TO TAKE QUICK ACTION IF
NECESSARY. DO NOT DRIVE OR WALK INTO WATER OF UNKNOWN DEPTH. AS
LITTLE AS 6 INCHES OF WATER MAY CAUSE YOU TO LOSE CONTROL OF YOUR
VEHICLE...AND 2 FEET OF RUSHING WATER CAN CARRY AWAY MOST VEHICLES...
INCLUDING SUVS AND PICKUPS. NEARLY HALF OF ALL FLOOD FATALITIES ARE
VEHICLE RELATED. KEEP CHILDREN AND OTHERS AWAY FROM FAST FLOWING
WATER AND STORM DRAINS...WHICH COULD BECOME DEADLY DURING HIGH WATER.
FLOODING WILL OCCUR ALONG CREEKS...IN DRAINAGE AREAS...IN
UNDERPASSES...OVER STREETS AND RURAL ROADS...IN NORMALLY DRY WASHES
AND ARROYOS...AND OVER LOW LYING LAND ALONG CREEK BANKS.

LAT...LON 3823 10262 3789 10260 3789 10294 3822 10295

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 10:39 PM MDTSevere Thunderstorm WarningPUBEl Paso61 min
Aug 28, 1:49 PM MDTSevere Thunderstorm WarningPUBKiowa86 min
Aug 28, 1:50 PM MDTFlash Flood WarningPUBLas Animas3 hr
Aug 28, 1:54 PM MDTSevere Thunderstorm WarningPUBLas Animas2 hr
Aug 28, 3:00 PM MDTTornado WarningPUBBent, Prowers60 min
Aug 28, 3:14 PM MDTSevere Thunderstorm WarningPUBHuerfano, Pueblo2 hr
Aug 28, 3:20 PM MDTSevere Thunderstorm WarningPUBFremont55 min
Aug 28, 3:55 PM MDTSevere Thunderstorm WarningPUBLas Animas2 hr
Aug 28, 4:00 PM MDTTornado WarningPUBProwers60 min
Aug 28, 4:39 PM MDTSevere Thunderstorm WarningPUBEl Paso66 min
Aug 28, 4:59 PM MDTTornado WarningPUBProwers61 min
Aug 28, 4:59 PM MDTTornado WarningPUBProwers61 min
Aug 28, 5:03 PM MDTSevere Thunderstorm WarningPUBBent87 min
Aug 28, 5:11 PM MDTSevere Thunderstorm WarningPUBOtero64 min

Nearby

Flash Flood Warnings in Colorado, 2002Every flash flood warning in 2002

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.