Alert archive / Missouri / Winter Storm Watches in 2009

Winter Storm Watch 4, NWS St. Louis, MO

December 24, 200912 counties in Missouri

NWS St. Louis, MO issued this winter storm watch at Dec 24, 2009, 3:56 AM CST for 12 counties in Missouri. It took effect at Dec 25, 2009, 12:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 24, 2009, 3:56 AM CST (09:56 UTC)
In effect from
Dec 25, 2009, 12:00 AM CST
Expired
Dec 24, 2009, 3:18 PM CST
In force
Issued by
NWS St. Louis, MO

Counties Audrain County, MO, Boone County, MO, Callaway County, MO, Cole County, MO, Knox County, MO, Lewis County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Osage County, MO, Ralls County, MO, Shelby County, MO

The radar

The St Louis radar (KLSX), 131 km from the middle of the area, began a volume at 09:56 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 forecasters said that day

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

NWS St. Louis, MO wrote its last area forecast discussion before this winter storm watch went out at Dec 23, 11:40 PM CST, 4 hours 16 minutes earlier.

Area forecast discussion, Dec 23, 11:40 PM CST, 4 hours 16 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>
Hazardous weather outlook, Dec 23, 3:52 PM CST, 12 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
352 PM CST WED DEC 23 2009

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-241215-
GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-
MARION IL-WASHINGTON IL-RANDOLPH IL-ADAMS IL-BROWN IL-PIKE IL-
CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-KNOX-LEWIS-
SHELBY-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN-MONITEAU-COLE-OSAGE-
CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE-WARREN-ST. CHARLES-FRANKLIN-
ST. LOUIS-ST. LOUIS CITY-JEFFERSON-CRAWFORD-WASHINGTON-
ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON-REYNOLDS-
352 PM CST WED DEC 23 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN AND
CENTRAL MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS.

.DAY ONE...TONIGHT

WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS WILL BRING HEAVY
RAIN AT TIMES TONIGHT. FOR MORE INFORMATION...PLEASE SEE THE FLOOD
WATCH.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THE SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH THURSDAY
EVENING.  AN ADDITIONAL 1 TO 3 INCHES OF RAINFALL IS POSSIBLE WHICH
COULD CAUSE FLOODING IF IT FALLS ON GROUND THAT IS ALREADY SATURATED
OR STILL FROZEN.  FOR MORE INFORMATION...PLEASE SEE THE FLOOD
WATCH.

A STRONG STORM SYSTEM WILL CAUSE SUSTAINED WINDS OF 15 TO 30 MPH
WITH LOCALLY HIGHER GUSTS THURSDAY THROUGH SATURDAY.

THE SAME STORM SYSTEM MAY BRING 1 TO 3 INCHES OF SNOWFALL BETWEEN
LATE THURSDAY NIGHT AND SATURDAY OVER PARTS OF CENTRAL AND
NORTHEAST MISSOURI AS WELL AS WEST CENTRAL ILLINOIS. HOLIDAY
TRAVELERS SHOULD FREQUENTLY CHECK FOR UPDATED FORECASTS THE NEXT
FEW DAYS.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ASKED TO REPORT RAINFALL AMOUNTS AND ANY FLOODING TO
THE NATIONAL WEATHER SERVICE.

&&

FOR A GRAPHICAL VERSION OF THIS INFORMATION SEE OUR
WEBPAGE AT (LOWERCASE)... HTTP://WWW.WEATHER.GOV/LSX/?N=HWO1

BRITT

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 23, 8:32 PM CSTRiver Flood WarningLSXJefferson49 hr
Dec 23, 8:52 PM CSTRiver Flood WarningLSXMarion25 hr
Dec 23, 9:04 PM CSTRiver Flood WarningLSXLincoln53 hr
Dec 23, 11:31 PM CSTAreal Flood AdvisoryLSXAudrain, Pike, Ralls6 hr
Dec 24, 5:41 AM CSTAreal Flood AdvisoryLSXPike, Ralls6 hr
Dec 24, 11:31 AM CSTAreal Flood AdvisoryLSXRalls6 hr
Dec 24, 1:48 PM CSTFlash Flood WarningLSXIron, Madison, Reynolds, Sainte Genevieve, Saint Francois, Washington8 hr
Dec 24, 5:45 PM CSTAreal Flood AdvisoryLSXJefferson, Saint Charles, Saint Louis, City of Saint Louis6 hr
Dec 23, 9:39 PM CSTRiver Flood WarningLSXMorgan, Pike6 days
Dec 23, 9:39 PM CSTRiver Flood WarningLSXPike, Scott6 days
Dec 23, 9:39 PM CSTRiver Flood WarningLSXCalhoun, Jersey6 days
Dec 24, 10:30 AM CSTRiver Flood WarningLSXBrown6 days
Dec 24, 12:37 PM CSTRiver Flood WarningLSXBrown6 days

Nearby

Winter Storm Watches in Missouri, 2009Every winter storm watch in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.