Alert archive / Nebraska / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 45, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at May 22, 1998, 6:38 PM MDT for Dundy County, Nebraska. It was in force for 62 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
- May 22, 1998, 6:38 PM MDT (00:38 UTC)
- Expired
- May 22, 1998, 7:40 PM MDT
- In force
- 62 min
- Issued by
- NWS Goodland, KS
- Area
- Whole counties
County Dundy County, NE
The radar
The Goodland radar (KGLD), 90 km from the middle of the area, began a volume at 00:41 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
| Time | Report | Where | Remark |
|---|---|---|---|
| May 22, 7:16 PM MDT | Hail 1.5 | Benkelman, NE | Started with dime hail around 1804 MST. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 22, 5:45 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 0.6 hours before the alert went out and 136 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
- 133 J/kg
- Mixed-layer CIN
- -182 J/kg
- Mixed-layer LCL
- 925 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -35 m²/s²
- 0-3 km storm-relative helicity
- 219 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -1.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KGLD 230038 RRA SVRGLD NEC057-230140- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GOODLAND KS 638 PM MDT FRI MAY 22 1998 THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN DUNDY COUNTY IN SOUTHWESTERN NEBRASKA * UNTIL 740 PM MDT * AT 634 PM MDT... GOODLAND DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 13 MILES EAST OF WRAY OR 13 MILES WEST OF PARKS MOVING EAST AT 35 MPH. SEVERE THUNDERSTORMS WERE ALSO DEVELOPING FROM A BENKELMAN TO PARKS LINE IN SOUTHERN DUNDY COUNTY. * DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! VJN/KPL
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 May 22, 2:10 PM MDT, 4 hours 28 minutes earlier.
Area forecast discussion, May 22, 2:10 PM MDT, 4 hours 28 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GOODLAND KS 210 PM MDT (310 PM CDT) FRI MAY 22 1998 ...MAIN FCST CHALLENGE IS CONVECTION TONIGHT... ETA AND AVN INITIALIZED WELL...BOTH WERE EXCELLENT AT 5H. ETA/AVN WERE BOTH GOOD AT SFC...WHILE NGM WAS TOO DEEP ON THE LOW OVER KS AT 12Z. BY 18Z ETA WAS BEST AT SFC AS IT INDICATED DEVELOPING LOW OVER EASTERN COLORADO. WILL FOLLOW ETA THIS PACKAGE. WV SATELLITE SHOWS A VORT MAX MOVING INTO CENTRAL CO WHICH IS FIRING TRW ALONG THE FRONT RANGE. THIS FIRST WAVE WILL TRIGGER CONVECTION OVER WESTERN SECTIONS OF FA BEGINNING LATE THIS AFTERNOON THROUGH THE EVENING. WITH SFC LOW DEEPENING OVER EASTERN CO LATE THIS AFTERNOON...MOIST UPSLOPE FLOW WILL PRODUCE BEST MOISTURE CONVERGENCE FROM NE CO ACROSS NORTHERN AND EASTERN SECTIONS OF FA. Q VECTOR ANALYSIS SHOWS STRONGEST CONVERGENCE OVER THETA E RIDGE ACROSS EASTERN FA BY 00Z. WENT HIGHEST POPS NRN AND ERN FA FOR THESE REASONS. UPSLOPE FLOW CONTINUES FOR MOST OF THE NIGHT. THIS COMBINED WITH SOME OUTFLOW COOLED AIR OVER FA...SO EXPECT AREAS OF FOG TO DEVELOP OVER ALL BUT FAR SRN ZONES. WITH CLOUDS AND E WINDS MOST OF THE NIGHT...TEMPERATURES SHOULD STAY ABOVE FWC/FAN NUMBERS. UPPER LEVEL LOW KICKS OFF TO THE NORTHERN PLAINS ON SAT...DRAGGING THE SFC LOW INTO EASTERN KS. NORTHERLY WINDS WILL SPREAD ACROSS FA EARLY SAT MORNING. ALTHOUGH Q VECTOR ANALYSIS INDICATES BEST FORCING OVER EASTERN KS BY 12Z...THINK THAT WRAP AROUND MOISTURE WILL CONTINUE WIDELY SCATTERED CONVECTIVE ACTIVITY SAT MORNING OVER EASTERN ZONES. PRECIPITATION ENDS BY SAT AFTERNOON WITH DRY CONDITIONS FOR THE REST OF THE PERIODS. CAA BEHIND SFC LOW KEEPS 850/700 THICKNESSES 30M LOWER THROUGH SUN AFTERNOON PER ETA/AVN. PREFER FAN NUMBERS OVER SLIGHTLY WARMER FWC. .GLD...NONE MLC/TURNER
In the hours before
Special weather statement, May 22, 5:26 PM MDT, 1 hour 12 minutes before
COZ090-KSZ001>003-NEZ079>081-230500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GOODLAND KS 526 PM MDT (626 PM CDT) FRI MAY 22 1998 ...A SEVERE THUNDERSTORM WATCH HAS BEEN POSTED FOR EXTREME SOUTHWEST NEBRASKA AND EXTREME NORTHWEST KANSAS... THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS POSTED A SEVERE THUNDERSTORM WATCH UNTIL MIDNIGHT CDT (11 PM MDT) FOR THE FOLLOWING COUNTIES... IN FAR EASTERN COLORADO...YUMA. IN EXTREME SOUTHWEST NEBRASKA...DUNDY...HITCHCOCK AND RED WILLOW. AND IN NORTHWEST KANSAS...CHEYENNE...RAWLINS AND DECATUR. STRONG STORMS WITH LARGE HAIL AND WINDS IN EXCESS OF 60 MPH ARE POSSIBLE IN THE WATCH AREA. A SEVERE THUNDERSTORM WATCH MEANS SEVERE THUNDERSTORMS ARE POSSIBLE IN AND NEAR THE WATCH AREA. PERSONS SHOULD WATCH FOR THREATENING WEATHER AND LISTEN TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR TELEVISION FOR FURTHER INFORMATION. STAY TUNED TO NOAA WEATHER RADIO...RADIO...CABLE TELEVISION...OR TELEVISION FOR MORE INFORMATION ON THIS SEVERE WEATHER SITUATION. KPL/CBENT
Local storm report, May 22, 5:56 PM MDT, 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KANSAS
556 PM MDT FRI MAY 22 1998
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0545 PM 17 SE YUMA CO 1.75 INCH HAIL
05/22/98 YUMA ALSO ROTATING WALL CLOUDLocal storm report, May 22, 6:20 PM MDT, 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KANSAS
620 PM MDT FRI MAY 22 1998
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0617 PM VERNON CO 1.75 INCH HAIL
05/22/98 YUMA ALSO 60 TO 70 MPH WIND.
LASTED 10 MIN.Local storm report, May 22, 6:38 PM MDT, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KANSAS
638 PM MDT FRI MAY 22 1998
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0634 PM 7 S LAIRD CO 1.75 INCH HAIL
05/22/98 YUMA SPOTTER REPORTThe office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 7:20 PM MDT | Severe Thunderstorm Warning | GLD | Hitchcock | 65 min |
| May 22, 7:36 PM MDT | Flash Flood Warning | GLD | Dundy | 4 hr |
| May 22, 7:38 PM MDT | Severe Thunderstorm Warning | GLD | Dundy | 32 min |
| May 22, 8:00 PM MDT | Tornado Warning | GLD | Hitchcock | 50 min |
| May 22, 8:34 PM MDT | Flash Flood Warning | GLD | Hitchcock | 2 hr |
| May 22, 8:57 PM MDT | Severe Thunderstorm Warning | GLD | Red Willow | 63 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.