Alert archive / Colorado / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 159, NWS Goodland, KS

July 8, 1997Kit Carson County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Jul 8, 1997, 5:07 PM MDT for Kit Carson County, Colorado. It was in force for 63 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 8, 1997, 5:07 PM MDT (23:07 UTC)
Expired
Jul 8, 1997, 6:10 PM MDT
In force
63 min
Issued by
NWS Goodland, KS
Area
Whole counties

County Kit Carson County, CO

The radar

The Goodland radar (KGLD), 78 km from the middle of the area, began a volume at 23:09 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.

What was reported inside it

TimeReportWhereRemark
Jul 8, 5:15 PM MDTHail 1Flagler, CO

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

IssuedProductOfficeLasted
Jul 8, 3:15 PM MDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.1 hours before the alert went out and 83 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 1997-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1997-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 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
2794 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
105 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 KGLD 082307 RRA
SVRGLD
COC063-090010-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
507 PM MDT TUE JUL 8 1997

* SEVERE THUNDERSTORM WARNING FOR
  EXTREME WESTERN KIT CARSON COUNTY IN EAST CENTRAL COLORADO

* UNTIL 610 PM MDT
 
* SOME LOCATIONS AFFECTED
  RURAL RESIDENTS AND MOTORISTS IN THE WARNED AREA

* AT 505 PM MDT...GOODLAND DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM 31 MILES EAST OF LIMON OR 3 MILES NORTHWEST OF
  FLAGLER. LITTLE MOVEMENT WAS INDICATED.

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!

TURNER

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Goodland, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 8, 2:15 PM MDT, 2 hours 52 minutes earlier.

Area forecast discussion, Jul 8, 2:15 PM MDT, 2 hours 52 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GOODLAND KS
215 PM MDT (315 PM CDT) TUE JUL 8 1997

...PROBLEM OF DAY THUNDERSTORMS TONIGHT...

SOUNDINGS...SAT DERIVED PRODUCTS...ADAP...ETC HAVE AREA EXTREMELY
UNSTABLE THIS AFTERNOON WITH ERODING CAP. WINDS HAVE GONE UPSLOPE
WITH MORE INFLOW OF ADDITIONAL UNSTABLE AIR IN RESPONSE TO SMALL LOW
SOUTHERN PORTION OF CWA. MORNING CLOUDS AND EARLIER STORMS HAVE LEFT
SOME BOUNDARIES OVER THE AREA.

SO...WE SHOULD SEE A LOT OF CONVECTION ONCE CAP BREAKS. ALSO...OFTEN
IN THIS PATTERN STUFF THAT FORMS OVER CO BECOMES MORE WIDESPREAD AS
IT MOVES INTO MORE UNSTABLE AIR DOWN THE HILL. WILL GO WELL ABOVE
GUIDANCE. SEVERE STORMS MORE PROBLEMATIC IN ABSENCE OF MUCH
SHEAR...BUT WITH CAPES AT LEAST 3500 PULSY STUFF WITH NUISANCE
SEVERE WEATHER POSSIBLE.

AFTER TONIGHT...DRIER WITH ALL MODELS AGREEING ABOUT RIDGE BUILDING
ALOFT AS BIG SYSTEM IN SOUTHWEST TRIES TO NUDGE THINGS EAST. WAS NOT
WILLING TO UNDERCUT 20-30 POPS WED NIGHT DUE TO UNCERTAINTY WE HAVE
HAD WITH NOCTURNAL PRECIP LATELY. FOR TEMPS MOS HAS BEEN TOO COOL
DAYS AND GOOD NIGHTS LATELY. EXPECT THIS TO CONTINUE UNTIL REGIME
CHANGES MORE.

KWIATKOWSKI

In the hours before

Special weather statement, Jul 8, 3:00 PM MDT, 2 hours 7 minutes before
COZ090>092-082305-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
300 PM MDT TUE JUL 8 1997

...SEVERE THUNDERSTORM WATCH FOR EAST CENTRAL COLORADO UNTIL 9 PM...

SCATTERED THUNDERSTORMS WILL MOVE INTO THE WATCH AREA FROM THE WEST
DURING THE EVENING. THE AIR OVER THE REGION IS VERY UNSTABLE...SO
SOME STORMS COULD PRODUCE DAMAGING WINDS OR LARGE HAIL.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION
OR CABLE TELEVISION FOR LATER STATEMENTS OR WARNINGS CONCERNING THIS
SEVERE WEATHER SITUATION.

JJK
Special weather statement, Jul 8, 3:01 PM MDT, 2 hours 6 minutes before
COZ090>092-082305-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
300 PM MDT TUE JUL 8 1997

...SEVERE THUNDERSTORM WATCH FOR EAST CENTRAL COLORADO UNTIL 9 PM...

SCATTERED THUNDERSTORMS WILL MOVE INTO THE WATCH AREA FROM THE WEST
DURING THE EVENING. THE AIR OVER THE REGION IS VERY UNSTABLE...SO
SOME STORMS COULD PRODUCE DAMAGING WINDS OR LARGE HAIL.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION
OR CABLE TELEVISION FOR LATER STATEMENTS OR WARNINGS CONCERNING THIS
SEVERE WEATHER SITUATION.

JJK

Nearby

Severe Thunderstorm Warnings in Colorado, 1997Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.