Alert archive / Colorado / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 101, NWS Pueblo, CO

June 20, 2007Prowers County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jun 20, 2007, 12:44 AM MDT for Prowers County, Colorado. It was in force for 21 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: Jun 20, 2007, 12:44 AM MDT (06:44 UTC)
Expired: Jun 20, 2007, 1:05 AM MDT
In force: 21 min
Issued by: NWS Pueblo, CO
Area: Counties, with a storm outline in the text

County Prowers County, CO

The radar

The Pueblo radar (KPUX), 158 km from the middle of the area, began a volume at 06:44 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

Dodge City, (KDDC), launched 00:00Z, 6.7 hours before the alert went out and 236 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3489 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 1034 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 89 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 6.0

Open this sounding in Storm Lab

The text

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

000 
WUUS55 KPUB 200644
SVRPUB
COC099-200745-
/O.NEW.KPUB.SV.W.0101.070620T0644Z-070620T0745Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
1244 AM MDT WED JUN 20 2007

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN PROWERS COUNTY IN SOUTHEAST COLORADO...

* UNTIL 145 AM MDT...

* AT 1240 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING NICKEL SIZE HAIL.  THIS STORM WAS
  CENTERED 18 MILES SOUTH OF LAMAR...AND WAS MOVING TOWARD THE SOUTH
  AT 5 MPH.

* THE SEVERE THUNDERSTORM WILL IMPACT MAINLY RURAL AREAS OF
  SOUTHWESTERN PROWERS COUNTY.

IF POSSIBLE...WITHOUT RISKING YOUR SAFETY...PROTECT PROPERTY BEFORE
THE WEATHER HITS. GET IN A STURDY STRUCTURE AND AWAY FROM WINDOWS. AN
INTERIOR ROOM ON THE LOWEST FLOOR...OR A BASEMENT CAN OFFER THE BEST
PROTECTION.

LAT...LON 3791 10250 3790 10271 3765 10272 3765 10248

$$

1 follow-up statement

000 
WWUS55 KPUB 200705
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
105 AM MDT WED JUN 20 2007

COC099-200715-
/O.CAN.KPUB.SV.W.0101.000000T0000Z-070620T0745Z/
PROWERS CO-
105 AM MDT WED JUN 20 2007

...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR
SOUTHWESTERN PROWERS COUNTY...

HAZARDOUS LIGHTNING MAY STILL BE IN THE AREA.

LAT...LON 3791 10250 3790 10271 3765 10272 3765 10248

$$

Nearby

Severe Thunderstorm Warnings in Colorado, 2007 Every severe thunderstorm warning in 2007

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.