Alert archive / Kansas / Flash Flood Warnings in 1999

Flash Flood Warning 2, NWS Hastings, NE

May 4, 1999Smith County, Kansas

NWS Hastings, NE issued this flash flood warning at May 4, 1999, 5:20 PM CDT for Smith County, Kansas. It was in force for 3 hr. 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 4, 1999, 5:20 PM CDT (22:20 UTC)
Expired
May 4, 1999, 8:00 PM CDT
In force
3 hr
Issued by
NWS Hastings, NE
Area
Whole counties

County Smith County, KS

The radar

The Grand Island radar (KUEX), 66 km from the middle of the area, began a volume at 22:20 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

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.3 hours before the alert went out and 214 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.

Skew-T log-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 12:00Z on 1999-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 12:00Z on 1999-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1491 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KGRI 042225
FFWGRI
KSC183-050115-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
520 PM CDT TUE MAY 4 1999

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* FLASH FLOOD WARNING FOR PEOPLE IN...
  SMITH COUNTY IN NORTH CENTRAL KANSAS

* UNTIL 800 PM CDT

* THE COUNTY SHERIFF HAS FLASH FLOODING IN SOUTHERN AND WESTERN 
SMITH COUNTY.  SOME COUNTY ROADS ARE UNDER WATER AND SMALL STREAMS 
AND CREEKS CONTINUE TO RISE.  WITH THE POSSIBILITY OF ADDITIONAL 
RAIN OVER THE NEXT FEW HOURS THE WARNING HAS BEEN EXTENDED.  
ADDITIONAL RAINFALL OF UP TO 1 INCH ARE POSSIBLE TONIGHT.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY...AND YOU MAY BE SWEPT AWAY. VEHICLES CAUGHT IN RISING WATER
SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Hastings, NE wrote its last area forecast discussion before this flash flood warning went out at May 4, 2:55 PM CDT, 2 hours 25 minutes earlier.

Area forecast discussion, May 4, 2:55 PM CDT, 2 hours 25 minutes before
SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
255 PM CDT TUE MAY 4 1999

LOTS OF WEATHER GOING ON WITH AREAS OF HEAVY RAIN AND ISOLATED
SEVERE THUNDERSTORMS. WILL OBVIOUSLY CONTINUE THREAT OF RAIN
AND STORMS WITH CATEGORICAL WORDING TONIGHT AND INCLUDE THE
THREAT OF HEAVY RAIN. WILL ATTEMPT TO DROP A SMALL PORTION OF
SOUTHWEST CWA FROM TORNADO AS NORTHWEST FLOW AND WRAP AROUND
PRECIPITATION APPEAR TO BE MAIN THREAT.

WRAP AROUND IS THE PROBLEM AREA THEN FOR THE REST OF THE FORECAST
PACKAGE AS STRONG NORTHWEST WINDS KICK IN.  AREAS OF NORTHEAST
NEBRASKA MAY SEE SOME PRETTY GOOD RAINS. WINDS WILL APPROACH
OR EXCEED ADVISORY CRITERIA FOR TOMORROW. STILL CHANCE FOR
SHOWERS WITH BEST CHANCES NORTH. WILL NOT GET IN A BIG HURRY
TO DRY THINGS OUR WITH UPPER LOW WOBBLING AROUND TO OUR EAST
AND NORTHEAST.

JUST ISSUED WATCH 209 UPDATE COINCIDES CLOSELY WITH MY INITIAL
OZFGID FOR WATCH AREA. WILL NOT ADJUST AS STORMS ARE INTENSIFYING
AROUND GRAND ISLAND...AND POINTS SOUTH.

.GID...TORNADO WATCH FOR A LARGE PART OF THE CWA UNTIL 700 PM

MORITZ

In the hours before

Special weather statement, May 4, 3:35 PM CDT, 1 hour 45 minutes before
KSZ005-017-NEZ060-072-073-082-083-042105-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
335 PM CDT TUE MAY 4 1999

TORNADO WATCH NUMBER 209 HAS BEEN CANCELLED FOR THE FOLLOWING
COUNTIES...

DAWSON  GOSPER  PHELPS  FURNAS  HARLAN  PHILLIPS  ROOKS

WHILE SHOWERS AND THUNDERSTORMS WILL CONTINUE INTO THIS EVENING THE
THREAT OF SEVERE WEATHER HAS DIMINISHED IN THESE COUNTIES ABOVE.

HOWEVER THE TORNADO WATCH REMAINS IN EFFECT FOR THE REMAINDER
OF SOUTH CENTRAL NEBRASKA AND NORTH CENTRAL KANSAS UNTIL 7PM.

BGM/MM

The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 4, 11:51 AM CDTSevere Thunderstorm WarningGIDOsborne54 min
May 4, 11:54 AM CDTSevere Thunderstorm WarningGIDRooks66 min
May 4, 12:17 PM CDTSevere Thunderstorm WarningGIDSmith43 min
May 4, 12:43 PM CDTSevere Thunderstorm WarningGIDOsborne47 min
May 4, 1:02 PM CDTSevere Thunderstorm WarningGIDSmith43 min
May 4, 2:30 PM CDTFlash Flood WarningGIDSmith3 hr
May 4, 2:39 PM CDTSevere Thunderstorm WarningGIDMitchell51 min

Nearby

Flash Flood Warnings in Kansas, 1999Every flash flood warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.