Alert archive / Kansas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 32, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at May 11, 1998, 3:48 PM MDT for Greeley County, Kansas. 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 11, 1998, 3:48 PM MDT (21:48 UTC)
- Expired
- May 11, 1998, 4:50 PM MDT
- In force
- 62 min
- Issued by
- NWS Goodland, KS
- Area
- Whole counties
County Greeley County, KS
The radar
The Goodland radar (KGLD), 99 km from the middle of the area, began a volume at 21:51 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 11, 4:20 PM MDT | Hail 1 | Tribune, KS | One inch diameter hail also reported 5S of Tribune at 1520 CST. |
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 nearest sounding before it
Dodge City, (KDDC), launched 12:00Z, 9.8 hours before the alert went out and 185 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
- 189 J/kg
- Mixed-layer CIN
- -565 J/kg
- Mixed-layer LCL
- 993 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 528 m²/s²
- 0-3 km storm-relative helicity
- 593 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 May 11, 12:15 PM MDT, 3 hours 33 minutes earlier.
Area forecast discussion, May 11, 12:15 PM MDT, 3 hours 33 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GOODLAND KS 1215 PM MDT (115 PM CDT) MON MAY 11 1998 ...EVE TSTM CHCS AND THEN TEMPS ALL PDS MN CONCERNS THIS FCST PCKG... PREFER ETA LLVL FEATURES SINCE ETA BL DEWPOINTS THROUGH THIS EVE MATCHES CLOSELY TOO CURRENT SFC DEPOINT DISTRIBUTION...BUT PREFER TIMING OF UPR IMPULSES BY NGM. MODELS IN GEN AGRMNT WITH OPENING H5 LOW OVR THE GREAT BASIN AS IT SLIDES ENE INTO THE NRN PLNS. A LEAD IMPULSE SLIDES ACROSS THE NRN CWFA THIS AFT AND EVE...AND THIS WILL BE THE TRIGGER FOR TSTMS OVR ERN COUNTIES THIS EVE. NGM IS SLOWEST WITH THIS FEATURE AND THIS SEEMS REASONABLE GIVEN LATEST SAT IMAGERY. ATTM...THE FNT IS JUST WEST OF HLC. SVR TSTMS ARE POSSIBLE AHEAD OF THE FNT WHERE DWPNTS ARE NR 60 DEG F. MODIFIED SHARP SOUNDINGS INDC CAPES IN THE 2500-3000 J/KG AREA WITH UNSTBL AIR. HODOGRAPH WILL LKLY MODIFY CONSIDERABLY BY EVE AS LLVL JET PASSES WELL E...CAUSING A FLATTENING OF THE SHEAR VECTORS IN THE 0-3KM AGL LAYER FM THIS MORNS DDC SOUNDING. THIS REDUCES SUPERCELL PONTENTIAL SOME...BUT 0-6KM HELICITY OF 150-200 WITH MODIFIED SOUNDING CAPES STILL IN RANGE OF SUPERCELLS WITH AN EHI NR 3.00. WILL KEEP 30 POPS FOR NERN COUNTIES THIS EVE AND WILL MENTION A FEW POSSIBLY SVR. ELSEHERE...POPS WILL BE TAPERED W IN THE COOLER AIR. BOTH THE ETA AND NGM INDC UPR DYNAMICS MOVE PROGESSIVELY OUT OF OUR CWFA BY LT TNGT...SO XPC ANY TSTMS TO MOVE E OUT OF THE AREA. ETA BL AND H85 MOISTURE INDCS MARGINAL LOW LVL MOISTURE WRAPPING BACK IN FM THE N LT TNGT...SO WILL KEEP PC SKIES...ALTHOUGH COMPLETE CLRG IS A POSSIBILITY...SPCLY S. OTRW...TUE AND WED MNLY LOOK DRY WITH WRMR TEMPS ON WED. IN THE EXTENDED...KEPT MENTION OF TSTMS IN WED NGT AND THU PDS. FWC LOWS LOOK RSNBLE...BUT WENT SLIGHTLY BELOW HIGHS TUE GVN PAST FWC WRM BAIS LAST TWO DAYS LKLY RESULTING FM ABV NORMAL BL MOISTURE FM RNFL LT LAST WEEK. OVRALL FST CONFIDENCE WITH THIS PCKG IS RATED AVG. .GLD...NONE. VJN
In the hours before
Special weather statement, May 11, 10:08 AM MDT, 5 hours 40 minutes before
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</html>The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 4:32 PM MDT | Severe Thunderstorm Warning | GLD | Wichita | 48 min |
| May 11, 3:46 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 64 min |
| May 11, 5:09 PM MDT | Tornado Warning | GLD | Kit Carson | 46 min |
| May 11, 5:53 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 62 min |
Nearby
Severe Thunderstorm Warnings in Kansas, 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.