Alert archive / Colorado / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 140, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at Jul 25, 1998, 7:37 PM MDT for Yuma County, Colorado. It was in force for 63 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 25, 1998, 7:37 PM MDT (01:37 UTC)
- Expired
- Jul 25, 1998, 8:40 PM MDT
- In force
- 63 min
- Issued by
- NWS Goodland, KS
- Area
- Whole counties
County Yuma County, CO
The radar
The Goodland radar (KGLD), 94 km from the middle of the area, began a volume at 01:27 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 00:00Z, 1.6 hours before the alert went out and 70 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.
- Mixed-layer CAPE
- 204 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1605 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 25, 1:22 PM MDT, 6 hours 15 minutes earlier.
Area forecast discussion, Jul 25, 1:22 PM MDT, 6 hours 15 minutes before
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</html>In the hours before
Special weather statement, Jul 25, 7:17 PM MDT, 20 minutes before
KSZ028-029-041-042-260455- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GOODLAND KS 718 PM MDT (818 PM CDT) SAT JUL 25 1998 ...A FLASH FLOOD WATCH REMAINS IN EFFECT TONIGHT FOR GREELEY... WICHITA...GOVE AND LOGAN COUNTIES IN NORTHWEST KANSAS... MUCH OF THE SHOWER AND THUNDERSTORM ACTIVITY IN NORTHEAST AND EAST CENTRAL COLORADO IS BEGINNING TO MOVE SOUTHEAST TOWARDS THE KANSAS BORDER. NUMEROUS REPORTS OF HEAVY RAINFALL AND FLASH FLOODING HAVE BEEN ASSOCIATED WITH THE LARGE CLUSTER OF STORMS. RAINFALL RATES OF UP TO 3 INCHES PER HOUR HAVE BEEN COMMONPLACE WITHIN THIS CLUSTER OF STORMS. IT IS ANTICIPATED THAT THIS CLUSTER OF STORMS WILL MOVE INTO KANSAS TONIGHT AND AFFECT AREAS CURRENTLY UNDER THE FLASH FLOOD WATCH. ATMOSPHERIC CONDITIONS ACROSS NORTHWEST KANSAS THIS EVENING ARE FAVORABLE FOR HEAVY RAINFALL TO CONTINUE THROUGHOUT THE OVERNIGHT HOURS. THE SMOKY HILL RIVER BASIN...IN GOVE AND LOGAN COUNTIES...WILL BE THE AREA THAT IS MOST SUSCEPTIBLE TO FLOODING TONIGHT....BUT GREELEY AND WICHITA COUNTIES ARE ALSO UNDER THE FLASH FLOOD WATCH. SOIL MOISTURE ... RIVER GAUGE... AND SATELLITE DATA SUGGEST THAT RAINFALL RATES OF 1 TO 1 1/2 INCHES PER HOUR COULD EASILY PRODUCE FLOODING TONIGHT ACROSS ALL FOUR COUNTIES. AT 745 PM CDT...THE RIVER STAGE ON THE SMOKY HILL RIVER AT ELKADER KANSAS...22 MILES SOUTH OF OAKLEY...WAS 5.61 FEET. THE RIVER HAS RISEN 1.25 FEET IN THE PAST SIX HOURS. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION OR CABLE TELEVISION FOR THE LATEST WEATHER INFORMATION. VOJTESAK
The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 9:55 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 65 min |
| Jul 25, 10:10 PM MDT | Severe Thunderstorm Warning | GLD | Sherman | 65 min |
| Jul 25, 8:26 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 64 min |
| Jul 25, 11:35 PM MDT | Flash Flood Warning | GLD | Yuma | 3 hr |
| Jul 26, 12:32 AM MDT | Flash Flood Warning | GLD | Cheyenne | 6 hr |
Nearby
Severe Thunderstorm Warnings in Colorado, 1998Every severe thunderstorm warning in 1998
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.