Alert archive / Kansas / Tornado Warnings in 1999
Tornado Warning 29, NWS Goodland, KS
NWS Goodland, KS issued this tornado warning at Sep 11, 1999, 4:24 PM CDT for Logan County, Kansas. It was in force for 66 min. 2 reports 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
- Sep 11, 1999, 4:24 PM CDT (21:24 UTC)
- Expired
- Sep 11, 1999, 5:30 PM CDT
- In force
- 66 min
- Issued by
- NWS Goodland, KS
- Area
- Whole counties
County Logan County, KS
The radar
The Goodland radar (KGLD), 69 km from the middle of the area, began a volume at 21:25 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 |
|---|---|---|---|
| Sep 11, 4:40 PM CDT | Hail 0.88 | Monument, KS | |
| Sep 11, 5:20 PM CDT | Hail 1.5 | Oakley, KS |
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, 9.4 hours before the alert went out and 168 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
- 185 J/kg
- Mixed-layer CIN
- -259 J/kg
- Mixed-layer LCL
- 672 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KGLD 112126 TORGLD KSC109-112230- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GOODLAND KS 324 PM MDT (424 PM CDT) SAT SEP 11 1999 THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A * TORNADO WARNING FOR... LOGAN COUNTY IN WEST CENTRAL KANSAS * UNTIL 530 PM CDT (430 PM MDT) * AT 423 PM CDT... GOODLAND DOPPLER RADAR INDICATED A DEVELOPING TORNADO 19 MILES SOUTHWEST OF OAKLEY OR 5 MILES NORTH OF RUSSELL SPRINGS... MOVING EAST AT 15 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... 7 MILES SOUTH OF MONUMENT AROUND 455 PM CDT GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR! COLEMAN
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 Sep 11, 3:29 PM CDT, 55 minutes earlier.
Area forecast discussion, Sep 11, 3:29 PM CDT, 55 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GOODLAND KS 229 PM MDT SAT SEP 11 1999 ...MUCH COOLER AIR TO MOVE INTO THE TRI-STATE AREA BY SUNDAY MORNING... ATTM A DRY LINE HAD DEVELOPED EAST OF GLD AND EXTENDED SOUTHWEST INTO COLORADO. TSRA HAD DEVELOPED ALONG THE DRY LINE BUT WARM AIR ALOFT IS KEEPING THE ACTIVITY TO A MINIMUM ATTM. THE 88D WAS ALSO SHOWING SHRA/TSRA WERE OCCURRING ALONG THE NE/KS BORDER AND THIS SHUD MOVE INTO THE CWA THIS AFTN WITH AN IMPRESSIVE SFC COLD FRONT TO FOLLOW. BEFORE THE FRONT DOES...A 5H/VORT TROF WITH INCREASING MID LVL MOISTR WILL MOVE THRU THE TRI-STATE AREA THIS AFTN. 7/5H LAPSE RATES WERE BETTER THAN 7C/KM AND WITH MID LVL CAA...TSRA SHUD CONT DEVELOPING AHEAD OF THE ADVANCING FRONT. ALSO WITH A 2H/LFQ JET ENHANCING UPR LVL DVRG...A FEW OF THE STORMS SHUD BECOME STRONG IF NOT SEVERE. THE ETA/NGM WERE IN FAIRLY GOOD AGREEMENT WITH THE SFC COLD FRONT PUSHING ACRS THE FA DURING THE NIGHT WITH FROPA IN GLD BY 06Z. MUCH COOLER AIR WILL ADVT INTO THE CWA ON NORTHERLY WINDS AND AS PRESSURE GRADIENTS TIGHTN...THESE WINDS SHUD BECOME WINDY TOWARD MORNING. GLD TIME SECTIONS HAS LOW LVL MOISTR INCREASING AND PATCHY FOG IS POSSIBLE TOWARD MORNING. ALSO AS MID LVL MOISTR CONTS TO INCREASE... SKIES SHUD REMAIN MOSTLY CLOUDY. DEPENDING ON THE SFC WIND DIRECTION WHICH APPEARS TO BE NNE...UPSLOPE MAY OCCUR AND SKIES MAY REMAIN MOSTLY CLOUDY THROUGH MIDDAY. A DRY SLOT WORKS ITS WAY INTO THE N/E CWA BY AFTN WHERE SOME SUN IS POSSIBLE. 5H/HGHTS AND THCKNS FALL AND TMPS SHUD ONLY RISE INTO THE 60S TO AROUND 70 ACRS MOST OF THE FA. WITH COOLR AIR CONTINUING TO ADVT INTO THE AREA BELOW AVERAGE NITE TIME TMPS WILL OCCUR MONDAY MORNING. MORNING TMPS WILL FALL INTO THE 40S WITH POSSIBLE 30S AT SOME LOCATIONS. THE COLD FRONT THAT MOVES ACRS THE CWA WAS ASSOCIATED WITH A STRONG MID LVL LOW PRESSURE OVR THE GREAT LAKES. SEVERAL WEAK DISTURBANCES WILL SPIN AROUND THE LOW AND APPROACH THE FA MONDAY THUS KEEPING SKIES PARTLY CLOUDY. ALSO WITH LOW 5H/HGHTS THE COOL TMPS SHUD PERSIST. AS THE LOW OVR THE GREAT LAKES PUSHES EAST...A COUPLE OF WEAK DISTURBANCES DEVELOP JUST SW OF KANSAS AND TRACK NE TUE/WED. THIS MAY AFFECT OUR S/E FA DURING THIS PERIOD AND THEN DRIFT ALITTLE FURTHER NORTH WED INTO THURS. .GLD...NONE. VPAPOL
In the hours before
Local storm report, Sep 11, 3:08 PM CDT, 1 hour 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
208 PM MDT SAT SEP 11 1999
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0150 PM HERNDON KS 1.75 INCH HAIL
09/11/99 RAWLINS
0200 PM HERNDON KS 1 INCH HAIL
09/11/99 RAWLINS
SULLIVANLocal storm report, Sep 11, 3:08 PM CDT, 1 hour 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
208 PM MDT SAT SEP 11 1999
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0150 PM HERNDON KS 1.75 INCH HAIL
09/11/99 RAWLINS
0200 PM HERNDON KS 1 INCH HAIL
09/11/99 RAWLINS
SULLIVANLocal storm report, Sep 11, 3:26 PM CDT, 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
226 PM MDT SAT SEP 11 1999
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0217 PM 7 SW CHEYENNE WELLS CO 60 MPH TSTM GUST
09/11/99 CHEYENNE
SULLIVANLocal storm report, Sep 11, 3:26 PM CDT, 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
226 PM MDT SAT SEP 11 1999
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0217 PM 7 SW CHEYENNE WELLS CO 60 MPH TSTM GUST
09/11/99 CHEYENNE
SULLIVANLocal storm report, Sep 11, 3:42 PM CDT, 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
242 PM MDT SAT SEP 11 1999
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0212 PM 11 NW OBERLIN KS 1.75 INCH HAIL
09/11/99 DECATUR
SULLIVANLocal storm report, Sep 11, 3:42 PM CDT, 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
242 PM MDT SAT SEP 11 1999
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0212 PM 11 NW OBERLIN KS 1.75 INCH HAIL
09/11/99 DECATUR
SULLIVANThe office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 11, 2:52 PM CDT | Severe Thunderstorm Warning | GLD | Rawlins | 48 min |
| Sep 11, 3:03 PM CDT | Severe Thunderstorm Warning | GLD | Decatur | 47 min |
| Sep 11, 3:51 PM CDT | Severe Thunderstorm Warning | GLD | Decatur | 64 min |
| Sep 11, 4:14 PM CDT | Severe Thunderstorm Warning | GLD | Logan | 61 min |
| Sep 11, 4:29 PM CDT | Severe Thunderstorm Warning | GLD | Greeley | 51 min |
| Sep 11, 4:55 PM CDT | Severe Thunderstorm Warning | GLD | Decatur, Norton | 60 min |
| Sep 11, 5:02 PM CDT | Severe Thunderstorm Warning | GLD | Logan | 63 min |
| Sep 11, 5:22 PM CDT | Severe Thunderstorm Warning | GLD | Sheridan | 63 min |
Nearby
Tornado Warnings in Kansas, 1999Every tornado warning in 1999Tornadoes in 1999
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.