Alert archive / Kentucky / Flash Flood Warnings in 1999

Flash Flood Warning 50, NWS Paducah, KY

June 6, 1999Marshall County, Kentucky

NWS Paducah, KY issued this flash flood warning at Jun 6, 1999, 5:38 PM CDT for Marshall County, Kentucky. It was in force for 112 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 6, 1999, 5:38 PM CDT (22:38 UTC)
Expired: Jun 6, 1999, 7:30 PM CDT
In force: 112 min
Issued by: NWS Paducah, KY
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Marshall County, KY

The radar

The Paducah radar (KPAH), 44 km from the middle of the area, began a volume at 22:38 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

Nashville Metro, TN (KBNA), launched 12:00Z, 10.6 hours before the alert went out and 176 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 415 J/kg
Mixed-layer CIN: -82 J/kg
Mixed-layer LCL: 1067 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 168 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 flash flood 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 flash flood warning went out at Jun 6, 2:00 PM CDT, 3 hours 38 minutes earlier.

Area forecast discussion, Jun 6, 2:00 PM CDT, 3 hours 38 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PADUCAH KY
200 PM CDT SUN JUN 6 1999

HIGH PRESSURE OVER MID SOUTH ALLOWING LOW LAYER SLY RETURN FLOW OF
HOT/HUMID AIR. VISIBILE IMAGERY DEPICTS DIURNAL CU FIELD...AND SHOWS
WEAK VORT MAX PICKED UP BY MODELS...CURRENTLY DRIFTING NNW ACROSS
WCNTL TN. THIS FEATURE IS CURRENTLY INTERACTING WITH UNSTABLE PM AIR
AND TOUCHING OFF WIDELY SCT TSRA. WL CONT CLOSE MONITOR UP TO PRESS
TIME FOR FINAL BREAK-OUT OF LINGERING EVENING POP THAT WL BE
NECESSARY.

OTHERWISE CAN SEE NO REASON TO DEVIATE FROM BASIC FORECAST STRATEGY.
IE WHILE THERE IS PROBABLY A SMALL DIURNAL CHANCE POP EACH DAY...NWP
CONTS TO SUGGEST NUMBERS TOO LOW TO CALL FOR IN BODY OF ZONES. WL
THEREFORE MAINTAIN BASICALLY WARM/DRY FORECAST TIL SIGNIFICANT
TRIGGER TO FOCUS CONVECTION IS IDENTIFIED. DID NOTE THAT TIME/HEIGHT
CROSS SECTIONS REVEALED MORE MOISTURE IN LOWER ATMOSPHERE
MONDAY...CAUSING NWP TO JUMP TOWARD BUT STILL <30%. SOMETHING TO
WATCH ON NEXT RUN.

GUIDANCE NUMBERS ARE CONSISTENT/CLOSE AND WL FOLLOW IN GENERAL.

.PAH...NONE.
DH

In the hours before

Local storm report, Jun 6, 4:47 PM CDT, 51 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
447 PM CDT SUN JUN 06 1999

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

0440 PM    MOUNDS                    IL    WIND DAMAGE
06/06/99   PULASKI                         POWER LINE BLOWN DOWN.
                                           REPORTED BY S. O.

Local storm report, Jun 6, 4:47 PM CDT, 51 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
447 PM CDT SUN JUN 06 1999

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

0440 PM    MOUNDS                    IL    WIND DAMAGE
06/06/99   PULASKI                         POWER LINE BLOWN DOWN.
                                           REPORTED BY S. O.

Local storm report, Jun 6, 4:50 PM CDT, 48 minutes before

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Local storm report, Jun 6, 4:50 PM CDT, 48 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 6, 2:36 PM CDT	Flash Flood Warning	PAH	Christian	3 hr
Jun 6, 5:04 PM CDT	Severe Thunderstorm Warning	PAH	Marshall	41 min
Jun 6, 5:20 PM CDT	Severe Thunderstorm Warning	PAH	McCracken	25 min
Jun 6, 5:40 PM CDT	Flash Flood Warning	PAH	Graves, McCracken	3 hr
Jun 6, 4:01 PM CDT	Severe Thunderstorm Warning	PAH	Pulaski	59 min
Jun 6, 4:21 PM CDT	Tornado Warning	PAH	Pulaski	39 min
Jun 6, 4:49 PM CDT	Flash Flood Warning	PAH	Pulaski	3 hr
Jun 6, 6:26 PM CDT	Severe Thunderstorm Warning	PAH	Gallatin	49 min
Jun 6, 6:49 PM CDT	Severe Thunderstorm Warning	PAH	White	61 min

Nearby

Flash Flood Warnings in Kentucky, 1999 Every 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.