Alert archive / Colorado / Flash Flood Warnings in 1997

Flash Flood Warning 1, NWS Pueblo, CO

June 4, 1997Las Animas County, Colorado

NWS Pueblo, CO issued this flash flood warning at Jun 4, 1997, 3:17 PM MDT for Las Animas County, Colorado. It was in force for 2 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 4, 1997, 3:17 PM MDT (21:17 UTC)
Expired
Jun 4, 1997, 5:20 PM MDT
In force
2 hr
Issued by
NWS Pueblo, CO
Area
Whole counties

County Las Animas County, CO

The radar

The Pueblo radar (KPUX), 128 km from the middle of the area, began a volume at 21:20 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

Fort Carson/Butt, CO (KFCS), launched 12:00Z, 9.3 hours before the alert went out and 162 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, Fort Carson/Butt, CO at 12:00Z on 1997-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Carson/Butt, CO at 12:00Z on 1997-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1049 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
153 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 042120 RRA
FFWPUB
COC071-042320-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
317 PM MDT WED JUN 4 1997

* FLASH FLOOD WARNING FOR
  WESTERN LAS ANIMAS COUNTY IN SOUTHEASTERN COLORADO

* UNTIL 520 PM MDT
 
* SOME RIVERS...CREEKS OR AREAS AFFECTED
  NORTH FORK OF THE PURGATOIRE RIVER IN THE PICKETWIRE VALLEY

* CAUSE AND EFFECT
  A NEARLY STATIONARY THUNDERSTORM WITH HEAVY RAIN

* FORECAST CONDITIONS
  WILL MOVE SLOWLY EAST ALONG THE PICKETWIRE VALLEY

LEAVE FLOOD PRONE OR LOW LYING AREAS IMMEDIATELY.

JKH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 2:55 PM MDTSevere Thunderstorm WarningPUBLas Animas65 min
Jun 4, 4:53 PM MDTSevere Thunderstorm WarningPUBPueblo62 min
Jun 4, 5:03 PM MDTSevere Thunderstorm WarningPUBCuster62 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.