Alert archive / Illinois / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 174, NWS Paducah, KY

July 14, 1997Union County, Illinois

NWS Paducah, KY issued this severe thunderstorm warning at Jul 14, 1997, 6:15 PM CDT for Union County, Illinois. It was in force for 75 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
Jul 14, 1997, 6:15 PM CDT (23:15 UTC)
Expired
Jul 14, 1997, 7:30 PM CDT
In force
75 min
Issued by
NWS Paducah, KY
Area
Whole counties

County Union County, IL

The radar

The Paducah radar (KPAH), 62 km from the middle of the area, began a volume at 23:19 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

TimeReportWhereRemark
Jul 14, 6:50 PM CDTThunderstorm Wind 50Anna, ILA utility pole was down.

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

Little Rock, AR (KLZK), launched 12:00Z, 11.3 hours before the alert went out and 300 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, Little Rock, AR at 12:00Z on 1997-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2296 joules per kilogram.LCLLFCEL10008507005003002001001 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, Little Rock, AR at 12:00Z on 1997-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.1939Sfc1 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
2296 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
1038 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 Paducah, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 14, 1:15 PM CDT, 5 hours earlier.

Area forecast discussion, Jul 14, 1:15 PM CDT, 5 hours before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PADUCAH KY
115 PM CDT MON JUL 14 1997

EARLY DAY CONVECTION AND WARM MID LEVEL TEMPS HAS PERHAPS PUT BRIEF HOLD
ON TSM DEVELOPMENT TIL LATER IN THE AFTERNOON. LATE MORNING SURFACE
ANALYSIS SHOWS COLD FRONT HAS MADE GOOD PROGRESS ON NRN END IN GREAT
LAKES...BUT LITTLE/NO PROGRESS ON SRN PTN IN WRN MO. SOUPY AIR OUT
AHEAD OF FRONT EXHIBITED BY DEW POINTS POOLING IN MID 70S. ADAP SFC
LIS ALREADY DESTABILIZED TO BETTER THAN MINUS 10 ACROSS ENTIRE PAH FA.

NEW MODELS CONT TO DRAG FRONT THROUGH FA TONIGHT DESPITE HINTS AT SRN
PTN BECOMING MORE W-E ORIENTED. WITH HIGH INSTABILITY AND PLENTIFUL LOW
LEVEL MOISTURE...LIKE GOING CHC CATEGORY POPS IN FCST WITH APPROACHING
FRONT.

SLIGHTLY COOLER/DRIER AIR FILTERING IN BEHIND FRONT TOMORROW WITH UPPER
TROF MOVING EAST OF FA SHOULD LEAD TO DRY FCST...IE RECOMMEND NO
MENTION OF POP FOR TUE PER FWC.

DH

In the hours before

Local storm report, Jul 14, 5:06 PM CDT, 1 hour 9 minutes before
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Local storm report, Jul 14, 5:14 PM CDT, 1 hour 1 minute before
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Local storm report, Jul 14, 5:15 PM CDT, 1 hour before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
514 PM CDT MON JUL 14 1997

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

0512 P.M                              IL   60 MPH TSTM GUST
07/14/97   WAYNE                          WIND GUST REPORTED WEST OF
                                          FAIRFIELD REPORTED BY ESDA
Local storm report, Jul 14, 6:01 PM CDT, 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
601 PM CDT MON JUL 14 1997

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

0530 PM    CISNE                     IL   WIND DAMAGE
07/14/97   WAYNE                          TREES REPORTED DOWN NEAR
                                          CISNE BY WAYNE CO EMA
.
0536 PM                              IL   .25 INCH HAIL
07/14/97   JACKSON                        PEA SIZED HAIL REPORTED BY
                                          JACKSON COUNTY SHERIFF
                                          NEAR ROUTE 149 AND
                                          OAKVILLE

0548 PM    BIEHLE                    MO   WIND DAMAGE
07/14/97   PERRY                          63 MPH WIND GUST REPORTED
                                          BY PERRY COUNTY EMA NEAR
                                          BEIHLE

0548 PM    BIEHLE                    MO   1.75 INCH HAIL
07/14/97   PERRY                          GOLF BALL HAIL REPORTED
                                          NEAR BIEHLE BY PERRY
                                          COUNTY EMA
Local storm report, Jul 14, 6:03 PM CDT, 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
603 PM CDT MON JUL 14 1997

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

0552 PM    CARMI                     IL   WIND DAMAGE
07/14/97   WHITE                          45 TO 50 MPH WIND GUSTS
                                          REPORTED NEAR CARMI
                                          ILLINOIS
Local storm report, Jul 14, 6:04 PM CDT, 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
603 PM CDT MON JUL 14 1997

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

0552 PM    CARMI                     IL   WIND DAMAGE
07/14/97   WHITE                          45 TO 50 MPH WIND GUSTS
                                          REPORTED NEAR CARMI
                                          ILLINOIS



The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 14, 6:41 PM CDTSevere Thunderstorm WarningPAHDaviess, Henderson64 min
Jul 14, 5:50 PM CDTSevere Thunderstorm WarningPAHBollinger, Cape Girardeau, Perry70 min
Jul 14, 6:22 PM CDTTornado WarningPAHCape Girardeau38 min
Jul 14, 6:55 PM CDTSevere Thunderstorm WarningPAHBollinger65 min
Jul 14, 4:24 PM CDTSevere Thunderstorm WarningPAHWayne66 min
Jul 14, 4:49 PM CDTSevere Thunderstorm WarningPAHJefferson56 min
Jul 14, 5:22 PM CDTSevere Thunderstorm WarningPAHFranklin, Hamilton68 min
Jul 14, 5:34 PM CDTSevere Thunderstorm WarningPAHEdwards, Wayne71 min
Jul 14, 5:38 PM CDTSevere Thunderstorm WarningPAHJackson, Perry67 min
Jul 14, 5:46 PM CDTSevere Thunderstorm WarningPAHWabash74 min
Jul 14, 5:53 PM CDTSevere Thunderstorm WarningPAHWilliamson67 min
Jul 14, 6:15 PM CDTSevere Thunderstorm WarningPAHSaline75 min
Jul 14, 6:39 PM CDTSevere Thunderstorm WarningPAHJohnson66 min
Jul 14, 6:55 PM CDTSevere Thunderstorm WarningPAHPope65 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1997Every severe thunderstorm warning in 1997

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.