Alert archive / Iowa / Heavy Snow Warnings in 2006

Heavy Snow Warning 2, NWS Des Moines, IA

November 10, 2006Kossuth County, Iowa

NWS Des Moines, IA issued this heavy snow warning at Nov 10, 2006, 12:25 PM CST for Kossuth County, Iowa. It was in force for 95 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: Nov 10, 2006, 12:25 PM CST (18:25 UTC)
Expired: Nov 10, 2006, 2:00 PM CST
In force: 95 min
Issued by: NWS Des Moines, IA

County Kossuth County, IA

The radar

The Des Moines radar (KDMX), 169 km from the middle of the area, began a volume at 18:25 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

Minneapolis, MN (KMPX), launched 12:00Z, 6.4 hours before the alert went out and 189 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1233 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: -171 m²/s²
0-3 km storm-relative helicity: 3 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Des Moines, IA wrote its last area forecast discussion before this heavy snow warning went out at Nov 10, 10:26 AM CST, 1 hour 59 minutes earlier.

Area forecast discussion, Nov 10, 10:26 AM CST, 1 hour 59 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, Nov 10, 5:18 AM CST, 7 hours 7 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
518 AM CST FRI NOV 10 2006

IAZ004>007-015>017-023-024-111100-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-
518 AM CST FRI NOV 10 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

AN ADVISORY IS IN EFFECT FOR THE AREA. PLEASE REFER TO THE
NATIONAL WEATHER SERVICE WEB SITE AT WEATHER.GOV/DESMOINES.
SNOW WILL CONTINUE MUCH OF THE DAY DIMINISHING OR ENDING DURING
THE AFTERNOON. SNOWFALL POTENTIAL IS FROM 3 TO 6 INCHES.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT NEEDED HOWEVER SNOWFALL REPORTS WOULD BE HELPFUL.

IAZ025>028-033>035-111100-
WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-WEBSTER-
518 AM CST FRI NOV 10 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

AN ADVISORY IS IN EFFECT FOR THE AREA. PLEASE REFER TO THE
NATIONAL WEATHER SERVICE WEB SITE AT WEATHER.GOV/DESMOINES.
A MIX OF RAIN SLEET AND SNOW IS EXPECTED TO MAKE FOR DIFFICULT
DRIVING CONDITIONS.THERE IS THE LIKELIHOOD OF SNOW AND SLEET
ACCUMULATIONS OF 2 TO 4 INCHES BEFORE ENDING LATE THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT NEEDED HOWEVER PRECIPITATION REPORTS
WOULD BE HELPFUL.

IAZ036>039-044>050-057>062-070>075-081>086-092>097-111100-
HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-BOONE-
STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-
CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-CLARKE-LUCAS-
MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-
518 AM CST FRI NOV 10 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

RAIN AND ISOLATED THUNDERSTORMS ARE POSSIBLE ESPECIALLY THIS
MORNING BEFORE COLDER AIR FILTERS INTO THE AREA. SOME OF THESE
STORMS COULD PRODUCE SMALL HAIL. THE RAIN WILL BECOME MIXED
BRIEFLY WITH SLEET BEFORE CHANGING OVER TO ALL SNOW THIS
AFTERNOON. LITTLE SLEET OR SNOW ACCUMULATION IS EXPECTED.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NO SPOTTER ACTIVATION IS NEEDED AT THIS TIME.

FORSTER

In the hours before

Local storm report, Nov 10, 8:29 AM CST, 3 hours 56 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
829 AM CST FRI NOV 10 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0825 AM     HAIL             4 SE REASNOR            41.54N 92.97W
11/10/2006  E0.88 INCH       JASPER             IA   TRAINED SPOTTER

            HAIL WAS COVERING THE GROUND.

&&

CCOGIL

Local storm report, Nov 10, 8:44 AM CST, 3 hours 41 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
844 AM CST FRI NOV 10 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0842 AM     HAIL             3 N GRINNELL AIRPORT    41.75N 92.74W
11/10/2006  E0.75 INCH       POWESHIEK          IA   TRAINED SPOTTER

            HAIL NEARLY COVERING THE GROUND

&&

CCOGIL

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 10, 3:54 AM CST	Snow Advisory	DMX	Cerro Gordo, Emmet, Hancock, Humboldt, Kossuth, Palo Alto and 3 more	8 hr
Nov 10, 3:54 AM CST	Winter Weather Advisory	DMX	Black Hawk, Boone, Bremer, Butler, Calhoun, Dallas and 10 more	12 hr
Nov 10, 8:20 AM CST	Severe Thunderstorm Warning	DMX	Jasper	29 min
Nov 10, 8:36 AM CST	Severe Thunderstorm Warning	DMX	Poweshiek	18 min
Nov 10, 8:47 AM CST	Heavy Snow Warning	DMX	Kossuth, Palo Alto	3 hr
Nov 10, 8:47 AM CST	Winter Storm Warning	DMX	Cerro Gordo, Hancock, Winnebago, Worth	7 hr
Nov 10, 12:25 PM CST	Snow Advisory	DMX	Calhoun, Humboldt, Webster	95 min

Nearby

Heavy Snow Warnings in Iowa, 2006 Every heavy snow warning in 2006

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.