Severe Thunderstorm Warning 151, NWS Denver/Boulder, CO

Issued

Aug 9, 1998, 4:52 PM MDT (22:52 UTC)

Expired

Aug 9, 1998, 5:30 PM MDT

In force

38 min

Issued by

NWS Denver/Boulder, CO

Area

Whole counties; the outline is the Mesonet’s reconstruction

Counties Lincoln County, CO, Washington County, CO

The Denver radar (KFTG), 107 km from the middle of the area, began a volume at 22:53 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.

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.

436 
WUUS1 KDEN 092253 RRA
SVRDEN
COC073-121-092330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
452 PM MDT SUN AUG 9 1998

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
     NORTHEASTERN LINCOLN COUNTY IN EAST CENTRAL COLORADO
     SOUTHERN WASHINGTON COUNTY IN NORTHEAST COLORADO

* UNTIL 530 PM MDT

* AT 447 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 16 MILES SOUTHWEST OF THURMAN...OR ABOUT 19    
  MILES NORTHEAST OF LIMON.  A SECOND SEVERE THUNDERSTORM WAS        
  LOCATED NEAR ANTON.  BOTH OF THESE STORMS SHOWED LITTLE MOVEMENT.
   
LOCATIONS IN THE WARNING INCLUDE...ANTON...ARICKAREE SCHOOL...COPE...
LAST CHANCE...LINDON...THURMAN AND WOODLIN SCHOOL

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER
AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE
THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS OVER 60
MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY
MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO
RISE...THEREFORE SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.

LAT...LON 3977 10368 3940 10367 3939 10326 3961 10317
          3960 10284 3989 10288

KLEYLA

In the hours before

COZ030-032>050-100600-

SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO
NATIONAL WEATHER SERVICE DENVER CO
1115 AM MDT SUN AUG 09 1998

THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES

ADAMS     ARAPAHOE     BOULDER   CLEAR CREEK   DENVER       DOUGLAS
ELBERT    GILPIN       GRAND     JACKSON       JEFFERSON    LARIMER
LINCOLN   LOGAN        MORGAN    PARK          PHILLIPS     SEDGWICK
SUMMIT    WASHINGTON   WELD

SYNOPSIS: MONSOON MOISTURE AROUND WILL BE PLENTY OF FUEL FOR WIDELY
SCATTERED THUNDERSTORMS THIS AFTERNOON AND SCATTERED THUNDERSTORMS
THIS EVENING.  A WEAK DISTURBANCE ALOFT WILL TRIGGER THE STORMS BUT
WEAK STEERING WINDS WILL KEEP THE STORMS NEARLY STATIONARY ALLOWING
RAIN TO FALL OVER AREAS FOR EXTENDED PERIODS OF TIME.  THUS HEAVY
RAIN IS POSSIBLE.  A FEW OF THE STORMS MAY PRODUCE HAIL TOO.  THE
STORMS ARE NOT EXPECTED TO BE SEVERE SO SPOTTER ACTIVATION IS NOT
ANTICIPATED.  TA

COZ030-032>050-100600-

SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO
NATIONAL WEATHER SERVICE DENVER CO
1115 AM MDT SUN AUG 09 1998

THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES

ADAMS     ARAPAHOE     BOULDER   CLEAR CREEK   DENVER       DOUGLAS
ELBERT    GILPIN       GRAND     JACKSON       JEFFERSON    LARIMER
LINCOLN   LOGAN        MORGAN    PARK          PHILLIPS     SEDGWICK
SUMMIT    WASHINGTON   WELD

SYNOPSIS: MONSOON MOISTURE AROUND WILL BE PLENTY OF FUEL FOR WIDELY
SCATTERED THUNDERSTORMS THIS AFTERNOON AND SCATTERED THUNDERSTORMS
THIS EVENING.  A WEAK DISTURBANCE ALOFT WILL TRIGGER THE STORMS BUT
WEAK STEERING WINDS WILL KEEP THE STORMS NEARLY STATIONARY ALLOWING
RAIN TO FALL OVER AREAS FOR EXTENDED PERIODS OF TIME.  THUS HEAVY
RAIN IS POSSIBLE.  A FEW OF THE STORMS MAY PRODUCE HAIL TOO.  THE
STORMS ARE NOT EXPECTED TO BE SEVERE SO SPOTTER ACTIVATION IS NOT
ANTICIPATED.  TA

Severe Thunderstorm Warnings in Colorado, 1998Every severe thunderstorm warning in 1998

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.