Alert archive / Nebraska / Tornado Warnings in 1998
Tornado Warning 7, NWS Goodland, KS
NWS Goodland, KS issued this tornado warning at May 21, 1998, 7:35 PM CDT for Red Willow County, Nebraska. It was in force for 35 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
- May 21, 1998, 7:35 PM CDT (00:35 UTC)
- Expired
- May 21, 1998, 8:10 PM CDT
- In force
- 35 min
- Issued by
- NWS Goodland, KS
- Area
- Whole counties
County Red Willow County, NE
The radar
The Goodland radar (KGLD), 138 km from the middle of the area, began a volume at 00:36 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 21, 3:15 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.6 hours before the alert went out and 107 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
- 685 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 548 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 tornado 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 tornado warning went out at May 21, 3:22 PM CDT, 4 hours 13 minutes earlier.
Area forecast discussion, May 21, 3:22 PM CDT, 4 hours 13 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GOODLAND KS 222 PM MDT (322 PM CDT) THU MAY 21 1998 THINGS ARE GETTING BUSY HERE EARLY THIS AFTN. UPPER JET MAX NOW ENTERING SRN ZONES HELPING TO TRIGGER CONVECTION THERE. AS THIS MAX APPROACHES BOUNDARY OVER NRN/ERN ZONES...EXPECT RAPID DEVELOPMENT WITH SEVERE. WILL ISSUE AFTN ZONE PKG A BIT EARLY TO INCLUDE TORNADO WATCH HEADLINE FOR NRN/NERN ZONES. OVERALL FOLLOWED ETA. HIGHEST POPS THIS PKG NRN ZONES NEAR BOUNDARY...WITH LOWEST POPS SOUTHWEST IN DRY AIR. MCS TO OUR N TNGT WILL PROBABLY SEND OUTFLOW THRU THE CWA TNGT...LEAVING THINGS COOLER FOR FRIDAY...AND PSBLY LATE NGT/EARLY MORN FOG NE. STILL SOME UNCERTAINTY FOR AFT EVE CONVECTION TMRW DUE TO BOUNDARY LOCATION... HOWEVER UPPER JET SHOULD BRING DRIER AIR...AND LOWER CHANCES S/SW. .GLD...NONE. STAVISH
In the hours before
Special weather statement, May 21, 3:16 PM CDT, 4 hours 19 minutes before
COZ090-KSZ001>004-015-016-NEZ079>081-220205- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GOODLAND KS 214 PM MDT (314 PM CDT) THU MAY 21 1998 ...A TORNADO WATCH HAS BEEN POSTED FOR PORTIONS OF NORTHWEST KANSAS...ALL OF EXTREME SOUTHWEST NEBRASKA...AND YUMA COUNTY IN NORTHEAST COLORADO UNTIL 8 PM MDT (9 PM CDT)... AT 211 PM MDT (311 PM CDT)...THE ATMOSPHERE HAS BECOME VERY UNSTABLE ALONG AND NORTH OF A LINE FROM EXTREME SOUTHWEST YUMA COUNTY TO ST FRANCIS KANSAS...TO HILL CITY THIS AFTERNOON. A STRONG UPPER LEVEL DISTURBANCE MOVING IN FROM THE SOUTHWEST WILL TRIGGER THUNDERSTORMS ACROSS THIS AREA THROUGH THE EVENING HOURS. LARGE HAIL...DAMAGING WINDS AND TORNADOES ARE POSSIBLE WITH THESE STORMS. A TORNADO WATCH IS IN EFFECT UNTIL 8 PM MDT (9 PM CDT) FOR YUMA COUNTY IN NORTHEAST COLORADO... DUNDY...HITCHCOCK AND RED WILLOW COUNTIES OF SOUTHWEST NEBRASKA CHEYENNE...RAWLINS...DECATUR...NORTON...SHERIDAN AND GRAHAM COUNTIES OF NORTHWEST KANSAS. CITIES IN THE TORNADO WATCH INCLUDE...YUMA...WRAY...BENKELMAN... TRENTON...MCCOOK...ST FRANCIS...ATWOOD...OBERLIN...NORTON... HOXIE AND HILL CITY. REMEMBER...A TORNADO WATCH MEANS THAT TORNADOES ARE POSSIBLE IN AND NEAR THE WATCH AREA. LARGE HAIL AND DAMAGING WINDS MAY ALSO OCCUR. BE READY TO MOVE TO A BASEMENT OR STORM CELLAR IF A WARNING IS ISSUED FOR YOUR AREA. STAY TUNED TO NOAA WEATHER RADIO...RADIO...CABLE TELEVISION...OR TELEVISION FOR THE LATEST UPDATES AND POSSIBLE WARNINGS CONCERNING THIS DANGEROUS WEATHER SITUATION. TURNER
The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 7:31 PM CDT | Severe Thunderstorm Warning | GLD | Red Willow | 29 min |
Nearby
Tornado Warnings in Nebraska, 1998Every tornado warning in 1998Tornadoes 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.