Alert archive / Colorado / Flash Flood Warnings in 1997

Flash Flood Warning 4, NWS Pueblo, CO

June 8, 1997Huerfano County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jun 8, 1997, 2:26 PM MDT for Huerfano 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 counties it named.

The facts

Issued
Jun 8, 1997, 2:26 PM MDT (20:26 UTC)
Expired
Jun 8, 1997, 5:20 PM MDT
In force
3 hr
Issued by
NWS Pueblo, CO
Area
Whole counties

County Huerfano County, CO

The radar

The Pueblo radar (KPUX), 110 km from the middle of the area, began a volume at 20:29 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, 8.4 hours before the alert went out and 286 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 1997-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 1997-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939Sfc1 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
2 J/kg
Mixed-layer CIN
-220 J/kg
Mixed-layer LCL
1245 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
21 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.

000 
TTAA00 KPUB 082026 RRA
FFWPUB
COC055-082320-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
226 PM MDT SUN JUN 8 1997

* FLASH FLOOD WARNING FOR
  HUERFANO COUNTY IN SOUTHEASTERN COLORADO

* UNTIL 520 PM MDT
 
* SOME RIVERS...CREEKS OR AREAS AFFECTED
  MIDDLE CREEK AND ASSOCIATED DRAINAGES INCLUDING OAK CREEK...WEST
  OF THE TOWN OF LA VETA
  HIGHWAY 160 EAST OF LA VETA PASS...BETWEEN LA VETA PASS AND THE
  TOWN OF LA VETA

* CAUSE AND EFFECT
  SLOW MOVING THUNDERSTORMS...PRODUCING HEAVY RAIN

* FORECAST CONDITIONS
  FLASH FLOODING OF STEEP TERRAIN...MOUNTAIN CREEKS AND STREAMS
  WATER OVER HIGHWAY 160...WITH POSSIBLE MUDSLIDES

  THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER THE AREA...BRINGING
  MORE RAIN TO THE STEEP TERRAIN. 

LEAVE FLOOD PRONE OR LOW LYING AREAS IMMEDIATELY.

RMG/ASH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 1:38 PM MDTSevere Thunderstorm WarningPUBAlamosa47 min
Jun 8, 3:17 PM MDTSevere Thunderstorm WarningPUBHuerfano33 min

Nearby

Flash Flood Warnings in Colorado, 1997Every flash flood warning in 1997

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.