Alert archive / Iowa / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 219, NWS Sioux Falls, SD

July 28, 2002Clay County, Iowa

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 28, 2002, 9:02 PM CDT for Clay County, Iowa. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 28, 2002, 9:02 PM CDT (02:02 UTC)
Expired
Jul 28, 2002, 9:30 PM CDT
In force
28 min
Issued by
NWS Sioux Falls, SD
Area
Counties, with a storm outline in the text

County Clay County, IA

The radar

The Sioux Falls radar (KFSD), 162 km from the middle of the area, began a volume at 02:02 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.0 hours before the alert went out and 213 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, Minneapolis, MN at 00:00Z on 2002-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 853 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2002-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.193958Sfc1 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
853 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
614 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
138 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.6

Open this sounding in Storm Lab

The text

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

427 
WUUS53 KFSD 290202
SVRFSD
IAC041-290230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
901 PM CDT SUN JUL 28 2002

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN CLAY COUNTY IN NORTHWEST IOWA

* UNTIL 930 PM CDT

* AT 901 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES EAST OF DICKENS...OR ABOUT 11 MILES
  EAST OF SPENCER...MOVING EAST AT 20 MPH.

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL AND DAMAGING WIND. 
REPORTS CONTINUE TO FILTER IN OF HAIL UP TO DIME SIZE...AND WINDS 
CAUSING 2 OR 3 INCH TREE LIMBS TO FALL. GO INSIDE A STURDY BUILDING 
AND STAY AWAY FROM WINDOWS.

LAT...LON 4325 9500 4307 9505 4297 9457 4318 9450

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 Sioux Falls, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 28, 1:27 PM CDT, 7 hours 35 minutes earlier.

Area forecast discussion, Jul 28, 1:27 PM CDT, 7 hours 35 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SIOUX FALLS SD
127 PM CDT SUN JUL 28 2002

...MAIN FORECAST CHALLENGES DEAL WITH FIRST PERIOD SEVERE WEATHER...

SYNOPSIS...MORNING SUBJECTIVE UPPER AIR ANALYSIS INDICATED NEXT
WEATHER MAKER WAS MOVING THROUGH THE CNTRL ROCKIES. AT H3 60-70 KNT
JET WAS DIVING DOWN THE BACK SIDE OF THE POSITIVLY TILTED TROUGH.
MAIN SHORT WAVE/THERMAL TROUGH AT H5 WAS LOCATED OVR ERN WY AT 12Z.
AT H85 WEAK HIGH WAS INDICATED OVER N CNTRL SD WITH TROUGH EXTENDING
FROM NORTHERN MN SW INTO WESTERN NEB. LOW LEVEL DRY SLOT WAS NOTED
PUSHING THROUGH CNTRL NEB WITH LESS THAN 5 DEGREE H85 DP AT KLBF.

FORECAST...WEAK SFC LOW OVER EXTREME SE SD WILL SLOWLY MOVE TO THE
EAST TONIGHT. THIS WILL DRAG A TROUGH/DRYLINE THROUGH THE CNTRL AND
ERN CWA THROUGH THE EVENING. LATEST MODEL GUIDANCE INDICATES THAT
ATMOSPHERE ALONG AND EAST OF THIS LOW WILL BECOME EXTREMELY UNSTABLE
WITH MLCAPE OF 3000 J/KG. AS UPPER THROUGH MOVES INTO THE CNTRL
PLAINS...MID/UPPER LEVEL WINDS ARE EXPECTED TO INCREASE THIS EVENING
LEADING TO 40-50 KNT 0 TO 6 KM SHEAR. THUS ATMOSPHERE WILL SUPPORT
SUSTAINED ORGANIZED SVR CONVECTION THROUGH THE EVENING HOURS. WITH
GOOD LINEAR FORCING AND A WEAK CAPPING INVERSION...WOULD EXPECT A
GOOD LINE OF STORMS TO GET GOING BY 3-4 PM. WITH -12 DEGREES AT H5
AND THE DEGREE OF INSTABILITY...WOULD EXPECT HAIL TO BE THE MAIN
THREAT. MID LEVEL WINDS OF 40-50KNTS WILL ALSO BE EASILY MIXED TO
THE SFC TO HAVE A DECENT DMG WND POTENTIAL. TORNADO POTENTIAL SEEMS
VERY LOW AT THIS POINT DUE TO THE VEERED LOW LEVEL FLOW OVER MOST OF
THE CWA. ONLY CHC WOULD BE IN SW MN AND EXTREME NORTHERN IA WHERE
SFC WINDS WILL CONTINUED TO BE BACKED AHEAD OF SFC LOW. SPC MODERATE
RISK LOOKS GOOD.

STORMS CLEAR OUT OF CWA BY MIDNIGHT WITH CLEARING COMING INTO THE
WESTERN ZONES. NEXT CHC FOR TRW WILL COME TO THE NORTH ON TUESDAY
NIGHT. ZONAL FLOW ACROSS THE NORTHERN US WILL MAKE SHORT WAVE HARD
TO TIME...BUT MODELS AGREE ON WEAK SFC LO AND BOUNDARY MOVING INTO
THE NORTHERN CWA LATE TUESDAY. WILL CONTINUE TRW CHC FOR THE NORTH
TUESDAY NIGHT WITH FRONT IN THE AREA AND LLJ DEVELOPING. STRONGER
SHORT WAVE COMES THROUGH ON WEDNESDAY WHICH LOOKS TO BRING THE FRONT
THROUGH THE WHOLE CWA WEDNESDAY NIGHT. GUIDANCE TEMPS LOOK IN THE
BALL PARK AND WILL NOT MAKE MANY CHANGES.

GRIDS/OZF WILL BE OUT EARLY WITH IMPENDING SEVERE WEATHER.

.FSD...NONE

BOUSTEAD

In the hours before

Local storm report, Jul 28, 3:47 PM CDT, 5 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
347 PM CDT SUN JUL 28 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0307 PM    PIPESTONE                 MN   60 MPH TSTM GUST
07/28/02   PIPESTONE                      REPORTED BY STORM
                                          SPOTTER.

0310 PM    FLANDREAU                 SD   60 MPH TSTM GUST
07/28/02   MOODY                          REPORTED BY STORM
                                          SPOTTER.

0319 PM    FLORENCE                  MN   2.75 INCH HAIL
07/28/02   LYON                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0325 PM    DELL RAPIDS               SD   1 INCH HAIL
07/28/02   MINNEHAHA                      REPORTED BY HAM RADIO
                                          OPERATOR.

0327 PM    DELL RAPIDS               SD   1.75 INCH HAIL
07/28/02   MINNEHAHA                      REPORTED BY PUBLIC.
Local storm report, Jul 28, 4:54 PM CDT, 4 hours 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
454 PM CDT SUN JUL 28 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0145 PM    LAKE PRESTON              SD   1 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY STORM
                                          SPOTTER.  WIND GUSTS TO
                                          60 MPH.

0152 PM    OLDHAM                    SD   1.75 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY FIRE AND
                                          RESCUE.  TWO INCH
                                          BRANCHES DOWN.

0205 PM    2 NE SINAI                SD   .75 INCH HAIL
07/28/02   BROOKINGS                      REPORTED BY STORM
                                          SPOTTER.  WIND GUSTS TO
                                          50 MPH.

0228 PM    NUNDA                     SD   60 MPH TSTM GUST
07/28/02   LAKE                           REPORTED BY STORM
                                          SPOTTER.

0228 PM    5 WNW WARD                SD   60 MPH TSTM GUST
07/28/02   MOODY                          REPORTED BY STORM
                                          SPOTTER.

0235 PM    BROOKINGS                 SD   .75 INCH HAIL
07/28/02   BROOKINGS                      REPORTED BY PUBLIC.
                                          WIND GUST TO 60 MPH.

0313 PM    LAKE BENTON               MN   1.75 INCH HAIL
07/28/02   LINCOLN                        REPORTED BY STORM
                                          SPOTTER.

0323 PM    7 SW TYLER                MN   2.75 INCH HAIL
07/28/02   LINCOLN                        REPORTED BY STORM
                                          SPOTTER.  WIND GUSTS TO
                                          60 MPH PLUS.

0345 PM    TRACY                     MN   .75 INCH HAIL
07/28/02   LYON                           REPORTED BY STORM
                                          SPOTTER.

0355 PM    1 S TRACY                 MN   1.75 INCH HAIL
07/28/02   LYON                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0358 PM    8 N SLAYTON               MN   1.75 INCH HAIL
07/28/02   MURRAY                         REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0404 PM    AMIRET                    MN   .88 INCH HAIL
07/28/02   LYON                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0409 PM    TRACY                     MN   70 MPH TSTM GUST
07/28/02   LYON                           REPORTED BY STORM
                                          SPOTTER.  TREE BRANCHES
                                          DOWN.
Local storm report, Jul 28, 5:15 PM CDT, 3 hours 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
515 PM CDT SUN JUL 28 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1235 PM    9 SSE HURON               SD   .75 INCH HAIL
07/28/02   BEADLE                         REPORTED BY STORM
                                          SPOTTER.

0145 PM    LAKE PRESTON              SD   1 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY STORM
                                          SPOTTER.  WIND GUSTS TO
                                          60 MPH.

0152 PM    OLDHAM                    SD   1.75 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY FIRE AND
                                          RESCUE.  TWO INCH
                                          BRANCHES DOWN.

0205 PM    2 NE SINAI                SD   .75 INCH HAIL
07/28/02   BROOKINGS                      REPORTED BY STORM
                                          SPOTTER.  WIND GUSTS TO
                                          50 MPH.

0228 PM    NUNDA                     SD   60 MPH TSTM GUST
07/28/02   LAKE                           REPORTED BY STORM
                                          SPOTTER.

0228 PM    5 WNW WARD                SD   60 MPH TSTM GUST
07/28/02   MOODY                          REPORTED BY STORM
                                          SPOTTER.

0235 PM    BROOKINGS                 SD   .75 INCH HAIL
07/28/02   BROOKINGS                      REPORTED BY PUBLIC.
                                          WIND GUST TO 60 MPH.

0313 PM    LAKE BENTON               MN   1.75 INCH HAIL
07/28/02   LINCOLN                        REPORTED BY STORM
                                          SPOTTER.

0323 PM    7 SW TYLER                MN   2.75 INCH HAIL
07/28/02   LINCOLN                        REPORTED BY STORM
                                          SPOTTER.  WIND GUSTS TO
                                          60 MPH PLUS.

0345 PM    TRACY                     MN   .75 INCH HAIL
07/28/02   LYON                           REPORTED BY STORM
                                          SPOTTER.

0355 PM    1 S TRACY                 MN   1.75 INCH HAIL
07/28/02   LYON                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0358 PM    8 N SLAYTON               MN   1.75 INCH HAIL
07/28/02   MURRAY                         REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0404 PM    AMIRET                    MN   .88 INCH HAIL
07/28/02   LYON                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0409 PM    TRACY                     MN   70 MPH TSTM GUST
07/28/02   LYON                           REPORTED BY STORM
                                          SPOTTER.  TREE BRANCHES
                                          DOWN.

0418 PM    3 N WESTBROOK             MN   WIND DAMAGE
07/28/02   COTTONWOOD                     REPORTED BY STORM
                                          SPOTTER. BRANCHES DOWN.

0418 PM    12 NE DELFT               MN   .88 INCH HAIL
07/28/02   COTTONWOOD                     REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0435 PM    STORDEN                   MN   .75 INCH HAIL
07/28/02   COTTONWOOD
Local storm report, Jul 28, 5:41 PM CDT, 3 hours 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
541 PM CDT SUN JUL 28 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1235 PM    9 SSE HURON               SD   .75 INCH HAIL
07/28/02   BEADLE                         REPORTED BY STORM
                                          SPOTTER.

0105 PM    IROQUOIS                  SD   .75 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY STORM
                                          SPOTTER.

0140 PM    4 S LAKE PRESTON          SD   4.5 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.
                                          WINDOWS BROKEN IN HOMES
                                          AND CARS.

0145 PM    LAKE PRESTON              SD   1 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY STORM
                                          SPOTTER.  WIND GUSTS TO
                                          60 MPH.

0152 PM    OLDHAM                    SD   1.75 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY FIRE AND
                                          RESCUE.  TWO INCH
                                          BRANCHES DOWN.

0201 PM    2 N OLDHAM                SD   1.75 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0205 PM    2 NE SINAI                SD   .75 INCH HAIL
07/28/02   BROOKINGS                      REPORTED BY STORM
                                          SPOTTER.  WIND GUSTS TO
                                          50 MPH.

0215 PM    SINAI                     SD   TORNADO
07/28/02   BROOKINGS                      REPORTED BY EMERGENCY
                                          MANAGEMENT.  STRUCTURE
                                          DAMAGE NEAR SINAI.

0228 PM    NUNDA                     SD   60 MPH TSTM GUST
07/28/02   LAKE                           REPORTED BY STORM
                                          SPOTTER.

0228 PM    5 WNW WARD                SD   60 MPH TSTM GUST
07/28/02   MOODY                          REPORTED BY STORM
                                          SPOTTER.

0235 PM    BROOKINGS                 SD   .75 INCH HAIL
07/28/02   BROOKINGS                      REPORTED BY PUBLIC.
                                          WIND GUST TO 60 MPH.

0250 PM    5 NW WARD                 SD   60 MPH TSTM GUST
07/28/02   MOODY                          REPORTED BY STORM
                                          SPOTTER.

0307 PM    PIPESTONE                 MN   60 MPH TSTM GUST
07/28/02   PIPESTONE                      REPORTED BY STORM
                                          SPOTTER.

0310 PM    FLANDREAU                 SD   60 MPH TSTM GUST
07/28/02   MOODY                          REPORTED BY STORM
                                          SPOTTER.

0313 PM    LAKE BENTON               MN   1.75 INCH HAIL
07/28/02   LINCOLN                        REPORTED BY STORM
                                          SPOTTER.

0319 PM    FLORENCE                  MN   2.75 INCH HAIL
07/28/02   LYON                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0323 PM    7 SW TYLER                MN   2.75 INCH HAIL
07/28/02   LINCOLN                        REPORTED BY STORM
                                          SPOTTER.  WIND GUSTS TO
                                          60 MPH PLUS.

0325 PM    DELL RAPIDS               SD   1 INCH HAIL
07/28/02   MINNEHAHA                      REPORTED BY HAM RADIO
                                          OPERATOR.

0327 PM    DELL RAPIDS               SD   1.75 INCH HAIL
07/28/02   MINNEHAHA                      REPORTED BY PUBLIC.

0345 PM    TRACY                     MN   .75 INCH HAIL
07/28/02   LYON                           REPORTED BY STORM
                                          SPOTTER.

0355 PM    1 S TRACY                 MN   1.75 INCH HAIL
07/28/02   LYON                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0358 PM    8 N SLAYTON               MN   1.75 INCH HAIL
07/28/02   MURRAY                         REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0404 PM    AMIRET                    MN   .88 INCH HAIL
07/28/02   LYON                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0409 PM    TRACY                     MN   70 MPH TSTM GUST
07/28/02   LYON                           REPORTED BY STORM
                                          SPOTTER.  TREE BRANCHES
                                          DOWN.

0418 PM    3 N WESTBROOK             MN   WIND DAMAGE
07/28/02   COTTONWOOD                     REPORTED BY STORM
                                          SPOTTER. BRANCHES DOWN.

0418 PM    12 NE DELFT               MN   .88 INCH HAIL
07/28/02   COTTONWOOD                     REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0435 PM    STORDEN                   MN   .75 INCH HAIL
07/28/02   COTTONWOOD
Local storm report, Jul 28, 7:09 PM CDT, 1 hour 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
709 PM CDT SUN JUL 28 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1235 PM    9 SSE HURON               SD   .75 INCH HAIL
07/28/02   BEADLE                         REPORTED BY STORM
                                          SPOTTER.

0105 PM    IROQUOIS                  SD   .75 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY STORM
                                          SPOTTER.

0111 PM    MANCHESTER                SD   .75 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY STORM
                                          SPOTTER.

0131 PM    DE SMET                   SD   .75 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0140 PM    4 S LAKE PRESTON          SD   4.5 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.
                                          WINDOWS BROKEN IN HOMES
                                          AND CARS.

0145 PM    LAKE PRESTON              SD   1 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY STORM
                                          SPOTTER.  WIND GUSTS TO
                                          60 MPH.

0152 PM    OLDHAM                    SD   1.75 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY FIRE AND
                                          RESCUE.  TWO INCH
                                          BRANCHES DOWN.

0158 PM    CARTHAGE                  SD   .75 INCH HAIL
07/28/02   MINER                          REPORTED BY STORM
                                          SPOTTER.

0201 PM    2 N OLDHAM                SD   1.75 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0205 PM    2 NE SINAI                SD   .75 INCH HAIL
07/28/02   BROOKINGS                      REPORTED BY STORM
                                          SPOTTER.  WIND GUSTS TO
                                          50 MPH.

0215 PM    SINAI                     SD   TORNADO
07/28/02   BROOKINGS                      REPORTED BY EMERGENCY
                                          MANAGEMENT.  STRUCTURE
                                          DAMAGE NEAR SINAI.

0228 PM    5 WNW WARD                SD   60 MPH TSTM GUST
07/28/02   MOODY                          REPORTED BY STORM
                                          SPOTTER.

0228 PM    NUNDA                     SD   60 MPH TSTM GUST
07/28/02   LAKE                           REPORTED BY STORM
                                          SPOTTER.

0230 PM    BROOKINGS                 SD   1 INCH HAIL
07/28/02   BROOKINGS                      REPORTED BY STORM
                                          SPOTTER.

0235 PM    BROOKINGS                 SD   .75 INCH HAIL
07/28/02   BROOKINGS                      REPORTED BY PUBLIC.
                                          WIND GUST TO 60 MPH.

0250 PM    5 NW WARD                 SD   60 MPH TSTM GUST
07/28/02   MOODY                          REPORTED BY STORM
                                          SPOTTER.

0255 PM    WARD                      SD   70 MPH TSTM GUST
07/28/02   MOODY                          REPORTED BY STORM
                                          SPOTTER.

0255 PM    ELKTON                    SD   WIND DAMAGE
07/28/02   BROOKINGS                      TREE AND BUILDING
                                          DAMAGE. REPORTED BY
                                          STORM SPOTTER.

0307 PM    PIPESTONE                 MN   60 MPH TSTM GUST
07/28/02   PIPESTONE                      REPORTED BY STORM
                                          SPOTTER.

0310 PM    FLANDREAU                 SD   60 MPH TSTM GUST
07/28/02   MOODY                          REPORTED BY STORM
                                          SPOTTER.

0310 PM    8 W LAKE BENTON           MN   WIND DAMAGE
07/28/02   LINCOLN                        TREES DOWN

0310 PM    ELKTON                    SD   WIND DAMAGE
07/28/02   BROOKINGS                      TREES DOWN. REPORTED BY
                                          STORM SPOTTER.

0313 PM    LAKE BENTON               MN   1.75 INCH HAIL
07/28/02   LINCOLN                        REPORTED BY STORM
                                          SPOTTER.

0319 PM    FLORENCE                  MN   2.75 INCH HAIL
07/28/02   LYON                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0323 PM    7 SW TYLER                MN   2.75 INCH HAIL
07/28/02   LINCOLN                        REPORTED BY STORM
                                          SPOTTER.  WIND GUSTS TO
                                          60 MPH PLUS.

0325 PM    DELL RAPIDS               SD   1 INCH HAIL
07/28/02   MINNEHAHA                      REPORTED BY HAM RADIO
                                          OPERATOR.

0327 PM    DELL RAPIDS               SD   1.75 INCH HAIL
07/28/02   MINNEHAHA                      REPORTED BY PUBLIC.

0328 PM    2 S TRENT                 SD   .88 INCH HAIL
07/28/02   MOODY

0328 PM    5 SW BALATON              MN   1.75 INCH HAIL
07/28/02   LYON                           REPORTED BY STORM
                                          SPOTTER.

0345 PM    TRACY                     MN   .75 INCH HAIL
07/28/02   LYON                           REPORTED BY STORM
                                          SPOTTER.

0353 PM    7 NE CURRANT LAKE         MN   60 MPH TSTM GUST
07/28/02   MURRAY                         REPORTED BY STORM
                                          SPOTTER.

0353 PM    7 NE CURRANT LAKE         MN   .75 INCH HAIL
07/28/02   MURRAY                         REPORTED BY STORM
                                          SPOTTER.

0355 PM    1 S TRACY                 MN   1.75 INCH HAIL
07/28/02   LYON                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0358 PM    8 N SLAYTON               MN   1.75 INCH HAIL
07/28/02   MURRAY                         REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0400 PM    1 S JASPER                MN   70 MPH TSTM GUST
07/28/02   ROCK                           REPORTED BY STORM
                                          SPOTTER.

0404 PM    AMIRET                    MN   .88 INCH HAIL
07/28/02   LYON                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0409 PM    TRACY                     MN   70 MPH TSTM GUST
07/28/02   LYON                           REPORTED BY STORM
                                          SPOTTER.  TREE BRANCHES
                                          DOWN.

0418 PM    12 NE DELFT               MN   .88 INCH HAIL
07/28/02   COTTONWOOD                     REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0418 PM    3 N WESTBROOK             MN   WIND DAMAGE
07/28/02   COTTONWOOD                     REPORTED BY STORM
                                          SPOTTER. BRANCHES DOWN.

0435 PM    STORDEN                   MN   .75 INCH HAIL
07/28/02   COTTONWOOD

0545 PM    HARRIS                    IA   .88 INCH HAIL
07/28/02   OSCEOLA

0557 PM    LAKE PARK                 IA   .75 INCH HAIL
07/28/02   DICKINSON                      REPORTED BY STORM
                                          SPOTTER.

0600 PM    LAKE PARK                 IA   .75 INCH HAIL
07/28/02   DICKINSON

0600 PM    SPIRIT LAKE               IA   80 MPH TSTM GUST
07/28/02   DICKINSON                      REPORTED BY STORM
                                          SPOTTER.
Local storm report, Jul 28, 7:25 PM CDT, 1 hour 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
725 PM CDT SUN JUL 28 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1235 PM    9 SSE HURON               SD   .75 INCH HAIL
07/28/02   BEADLE                         REPORTED BY STORM
                                          SPOTTER.

0105 PM    IROQUOIS                  SD   .75 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY STORM
                                          SPOTTER.

0111 PM    MANCHESTER                SD   .75 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY STORM
                                          SPOTTER.

0131 PM    DE SMET                   SD   .75 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0140 PM    4 S LAKE PRESTON          SD   4.5 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.
                                          WINDOWS BROKEN IN HOMES
                                          AND CARS.

0145 PM    LAKE PRESTON              SD   1 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY STORM
                                          SPOTTER.  WIND GUSTS TO
                                          60 MPH.

0152 PM    OLDHAM                    SD   1.75 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY FIRE AND
                                          RESCUE.  TWO INCH
                                          BRANCHES DOWN.

0158 PM    CARTHAGE                  SD   .75 INCH HAIL
07/28/02   MINER                          REPORTED BY STORM
                                          SPOTTER.

0201 PM    2 N OLDHAM                SD   1.75 INCH HAIL
07/28/02   KINGSBURY                      REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0205 PM    2 NE SINAI                SD   .75 INCH HAIL
07/28/02   BROOKINGS                      REPORTED BY STORM
                                          SPOTTER.  WIND GUSTS TO
                                          50 MPH.

0215 PM    SINAI                     SD   TORNADO
07/28/02   BROOKINGS                      REPORTED BY EMERGENCY
                                          MANAGEMENT.  STRUCTURE
                                          DAMAGE NEAR SINAI.

0228 PM    5 WNW WARD                SD   60 MPH TSTM GUST
07/28/02   MOODY                          REPORTED BY STORM
                                          SPOTTER.

0228 PM    NUNDA                     SD   60 MPH TSTM GUST
07/28/02   LAKE                           REPORTED BY STORM
                                          SPOTTER.

0230 PM    BROOKINGS                 SD   1 INCH HAIL
07/28/02   BROOKINGS                      REPORTED BY STORM
                                          SPOTTER.

0235 PM    BROOKINGS                 SD   .75 INCH HAIL
07/28/02   BROOKINGS                      REPORTED BY PUBLIC.
                                          WIND GUST TO 60 MPH.

0250 PM    5 NW WARD                 SD   60 MPH TSTM GUST
07/28/02   MOODY                          REPORTED BY STORM
                                          SPOTTER.

0255 PM    WARD                      SD   70 MPH TSTM GUST
07/28/02   MOODY                          REPORTED BY STORM
                                          SPOTTER.

0255 PM    ELKTON                    SD   WIND DAMAGE
07/28/02   BROOKINGS                      TREE AND BUILDING
                                          DAMAGE. REPORTED BY
                                          STORM SPOTTER.

0307 PM    PIPESTONE                 MN   60 MPH TSTM GUST
07/28/02   PIPESTONE                      REPORTED BY STORM
                                          SPOTTER.

0310 PM    FLANDREAU                 SD   60 MPH TSTM GUST
07/28/02   MOODY                          REPORTED BY STORM
                                          SPOTTER.

0310 PM    8 W LAKE BENTON           MN   WIND DAMAGE
07/28/02   LINCOLN                        TREES DOWN

0310 PM    ELKTON                    SD   WIND DAMAGE
07/28/02   BROOKINGS                      TREES DOWN. REPORTED BY
                                          STORM SPOTTER.

0313 PM    LAKE BENTON               MN   1.75 INCH HAIL
07/28/02   LINCOLN                        REPORTED BY STORM
                                          SPOTTER.

0319 PM    FLORENCE                  MN   2.75 INCH HAIL
07/28/02   LYON                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0323 PM    7 SW TYLER                MN   2.75 INCH HAIL
07/28/02   LINCOLN                        REPORTED BY STORM
                                          SPOTTER.  WIND GUSTS TO
                                          60 MPH PLUS.

0325 PM    DELL RAPIDS               SD   1 INCH HAIL
07/28/02   MINNEHAHA                      REPORTED BY HAM RADIO
                                          OPERATOR.

0327 PM    DELL RAPIDS               SD   1.75 INCH HAIL
07/28/02   MINNEHAHA                      REPORTED BY PUBLIC.

0328 PM    2 S TRENT                 SD   .88 INCH HAIL
07/28/02   MOODY

0328 PM    5 SW BALATON              MN   1.75 INCH HAIL
07/28/02   LYON                           REPORTED BY STORM
                                          SPOTTER.

0345 PM    TRACY                     MN   .75 INCH HAIL
07/28/02   LYON                           REPORTED BY STORM
                                          SPOTTER.

0345 PM    7 NE CURRANT LAKE         MN   60 MPH TSTM GUST
07/28/02   MURRAY                         REPORTED BY STORM
                                          SPOTTER.

0345 PM    7 NE CURRANT LAKE         MN   .75 INCH HAIL
07/28/02   MURRAY                         REPORTED BY STORM
                                          SPOTTER.

0355 PM    1 S TRACY                 MN   1.75 INCH HAIL
07/28/02   LYON                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0358 PM    8 N SLAYTON               MN   1.75 INCH HAIL
07/28/02   MURRAY                         REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0400 PM    1 S JASPER                MN   70 MPH TSTM GUST
07/28/02   ROCK                           REPORTED BY STORM
                                          SPOTTER.

0404 PM    AMIRET                    MN   .88 INCH HAIL
07/28/02   LYON                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0409 PM    TRACY                     MN   70 MPH TSTM GUST
07/28/02   LYON                           REPORTED BY STORM
                                          SPOTTER.  TREE BRANCHES
                                          DOWN.

0418 PM    12 NE DELFT               MN   .88 INCH HAIL
07/28/02   COTTONWOOD                     REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0418 PM    3 N WESTBROOK             MN   WIND DAMAGE
07/28/02   COTTONWOOD                     REPORTED BY STORM
                                          SPOTTER. BRANCHES DOWN.

0435 PM    STORDEN                   MN   .75 INCH HAIL
07/28/02   COTTONWOOD

0545 PM    HARRIS                    IA   .88 INCH HAIL
07/28/02   OSCEOLA

0557 PM    LAKE PARK                 IA   .75 INCH HAIL
07/28/02   DICKINSON                      REPORTED BY STORM
                                          SPOTTER.

0600 PM    LAKE PARK                 IA   .75 INCH HAIL
07/28/02   DICKINSON

0600 PM    SPIRIT LAKE               IA   80 MPH TSTM GUST
07/28/02   DICKINSON                      REPORTED BY STORM
                                          SPOTTER.

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 28, 7:47 PM CDTSevere Thunderstorm WarningFSDWoodbury43 min
Jul 28, 8:29 PM CDTSevere Thunderstorm WarningFSDIda, Woodbury46 min
Jul 28, 8:30 PM CDTSevere Thunderstorm WarningFSDClay30 min
Jul 28, 9:03 PM CDTSevere Thunderstorm WarningFSDBuena Vista42 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2002Every severe thunderstorm warning in 2002

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.