Ice Storm and Winter Storm in Iowa, December 1, 2007

Name: Ice Storm and Winter Storm in Iowa, December 1, 2007
Start: 2007-12-01T05:00
End: 2007-12-01T19:00
Location: Iowa

December 1, 2007 · NWS DMX · 49 events in 49 counties and zones

The seasons first major winter storm moved into Iowa on the 1st. S.

Where it happened

Every event with a place to put it; 49 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: $925,000
Crop damage: None recorded
Events: 49

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS DMX wrote it up.

The seasons first major winter storm moved into Iowa on the 1st. The system developed in the east Pacific off the California and Mexico coasts and lifted northeast into the central U.S. A very strong push of warm air moved into the central U.S. ahead of the storm. Prior to the storms arrival, polar air was in place with temperatures in the teens and 20s and dew points in the single digits above and below zero. Precipitation moved into the area during the predawn hours on the 1st. Initially the precipitation fell as snow, but with the intense warm air advection it turned to freezing rain and sleet very quickly over southern Iowa, and within a few hours after inception over the north. Surface temperatures were slow to warm due to evaporative cooling. In spite of winds in the low levels between 900 and 800 mb being in the 70 plus knot range, surface temperatures warmed very slowly. Eventually, the surface low pressure system lifted northeast through west central into northeast Iowa resulting in temperatures rising above freezing in most areas. Freezing rain was widespread over much of the south two thirds of iowa. Widespread ice accretions of at least one quarter of an inch of ice were reported. Heavier icing occurred southwest of Des Moines in Adair and Madison Counties with widespread ice accumulations of up to three quarters of an inch. One half to three quarter inch ice accumulations were common across the south tier of counties from Interstate 35, east. The ice resulted in some tree and power line damage with scattered power outages reported. Southeast winds of 20 to 35 MPH caused branches to break, knocking out power for thousands of customers by the afternoon of the 1st. Ice and ice pellets produced very slippery runway conditions at the Des Moines International airport. One plane slid off the tarmac, resulting in a 7 hour closure of the airport. The secondary problem that took place over nearly all of Iowa was heavy ice pellet accumulations. Many areas reported one half to 1 inch of sleet accumulation, resulting in considerable travel difficulties. Over the northern part of the state, roughly from U.S. Highway 20 north, one to three inches of snow fell, with spotty amounts of up to 4 inches. In addition to the snow, sleet was reported for several hours during the afternoon with accumulations of up to one half inch. Freezing rain did occur as well, but the freezing rain was not all that extensive or heavy.

What forecasters said that day

The local office's own words before the first event, 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 the first event at Dec 1, 3:20 AM CST, 1 hour 40 minutes earlier.

Area forecast discussion, Dec 1, 3:20 AM CST, 1 hour 40 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DES MOINES IA
320 AM CST SAT DEC 1 2007

.DISCUSSION...
PLENTY OF ACTIVITY OVER THE NEXT 24 HOURS AS WESTERN SHORTWAVE
EJECTS INTO THE MIDWEST.  CURRENTLY...SFC RIDGE HAS DRIFTED OVER
LAKE MICHIGAN WITH WAA INCREASING WEST OF THE MISSISSIPPI RIVER.
ECHOES HAVE TAKEN OFF ACRS KS/NEBR AS MOISTURE SURGES NORTHWARD AND
ISENTROPIC LIFT INCREASES.  OTHERWISE...DEWPOINTS REMAIN IN THE
SINGLE DIGITS ACRS IA WHICH WILL FAVOR FROZEN/FREEZING PCPN FOR A
WHILE UNTIL WARMER AIR SURGES INTO THE STATE.  FOR TODAY...
ISENTROPIC LIFT CONTINUES TO INCREASE WITH PDEFS RAPIDLY FALLING
DURING THE MORNING HOURS AND EXPECT TO SEE A QUICK EXPANSION OF PCPN
ACRS THE CWA THROUGH 9AM. APPEARS ANY SNOW WL BE BRIEF IN DURATION
AS WARM AIR ALOFT PUSHES SOUNDINGS WELL ABOVE FREEZING IN A DEEP
LAYER.  THEREFORE...EXPECT FAST TRANSITION TO SLEET AND FREEZING
RAIN ACRS SOUTH AND CENTRAL IA.  FARTHER NORTH...COLD AIR SHOULD BE
DEEP ENOUGH FOR SOME LONGER DURATION SNOWFALLS AND STILL ANTICIPATE
SOME ACCUMULATIONS...ESPECIALLY NORTH OF STATE HIGHWAY 3.  WL SEE
TEMPERATURES CONTINUE TO WARM THROUGH THE DAY AS VERY STRONG WAA
PERSISTS WITH 60+KTS OF 850MB SW FLOW. EXPECT TRANSITION TO RAIN
STARTING IN THE LATE MORNING IN THE SOUTH AS READINGS RISE ABOVE
FREEZING.  MAIN CONCERN WITH GLAZE AMOUNTS IS HOW LONG WETBULBS WILL
REMAIN BELOW FREEZING.  WL SEE DRIER AIR INFLOW FOR A WHILE AS SFC
RIDGE TO THE EAST WILL ACT AS A SOURCE REGION FOR THIS AIR.
HOWEVER...THE STRONG ADVECTIONS FROM THE SOUTH SHOULD EVENTUALLY
OVERWHELM THIS FLOW AND ALLOW SFC READINGS TO RISE.
HOWEVER...APPEARS THAT ENOUGH PCPN SHOULD FALL PRIOR TO THIS FOR
SIGNIFICANT ICING ACRS SOUTHERN CWA.  FARTHER NORTH...SNOW WL
TRANSITION TO FRZA BY AFTERNOON AND EXPECT SIGNIFICANT AMOUNTS OF
GLAZING BY THIS EVENING.  COBB OUTPUT SUGGEST ONE HALF TO ONE INCH
AMOUNTS ON TOP OF ANY SNOW WHICH COULD BE QUITE CRIPPLING.  ON TOP
OF ALL THE PCPN...EXPECT TIGHT GRADIENT TO PRODUCE AS STRONG
SOUTHEAST WIND WITH GUSTS OF UP TO 35 MPH OR SO WHICH WILL AGGRAVATE
THE SITUATION BY DOWNING POWER LINES AND BREAKING TREE BRANCHES.
WILL CONTINUE TO HIT IT HARD WITH QUARTER TO HALF INCH ICING AMOUNTS
IN THE SOUTH AND HALF TO ONE INCH ACRS THE NORTH.  THIS MAY RIVAL
THE FEBRUARY ICE STORM AND CERTAINLY MAY BE MORE WIDESPREAD.  WARM
SECTOR WL MOVE INTO SOUTHERN PORTIONS OF CWA BY LATE AFTERNOON AND
EVENING.  HAVE ADDED SOME THUNDER THIS EVENING AS SOME WEAK
INSTABILITY (MUCAPE AROUND 250-500J/KG) DEVELOPS IN VICINITY OF
BOUNDARY.  EXPECT SOME ISOLATED CONVECTION ALONG THE BOUNDARY AS IT
PUSHES EAST THROUGH THE CWA.  OTHERWISE...TEMPS TONIGHT WILL
CONTINUE TO RISE THROUGH THE EVENING AHEAD OF THE BOUNDARY BUT FALL
RAPIDLY AFTER FROPA AS COLD AIR RUSHES BACK INTO THE STATE.  FZRA WL
CONTINUE ACRS THE FAR NORTH TONIGHT WITH LIQUID CENTRAL AND SOUTH.
HOWEVER...WL SEE TRANSITION BACK TO FREEZING/FROZEN BEHIND FRONT AS
IT PROGRESSES EAST LATE TONIGHT.  SOME RESIDUAL PRECIPITATION ON
SUNDAY WITH TEMPS HARD PRESSED TO RISE MUCH AS CAA WL BE STRONG
DURING THE DAY.  THEREAFTER...STILL LOOKS LIKE A SYSTEM TUESDAY INTO
EARLY WEDNESDAY AS SHORTWAVE DROPS SOUTHEAST INTO THE REGION FROM
CANADA.  NO OTHER CHANGES TO EXTENDED AT THIS TIME.

&&

.AVIATION...1/06Z
NO MAJOR CHANGES TO THE ONGOING TAFS IN REGARDS TO THE FROZEN PRECIP
AND IFR CONDITIONS. HOWEVER...NORTHERN TAF SITES ARE MOST
PROBLEMATIC WITH FROZEN PRECIP...WHILE THE CHANGEOVER TO RAIN ACROSS
THE SOUTH SEEMS TO BE EARLIER IN THE AFTERNOON WITH WAA. FOR MCW AND
FOD HAVE FZRA FOR A LONGER TIME FRAME AS MODEL SOUNDINGS HAVE FZRA
FOR A GOOD 6-8 HOURS. MCW AND FOD WILL LIKELY GET SOME MIX OF SN
AND PL AT THE ONSET...BUT HAVE CHANGOVER TO FZRA BY 17-18Z. ALL TAFS
THROUGH AT LEAST 18Z...HAVE IFR CONDITIONS BEGINNING AT 14-15Z WITH
ONLY MCW DROPPING TO LIFR CONDITIONS B/T 19-23Z FOR VIS. DSM LOOKS
TO CHANGE OVER TO RAIN DURING THE AFTERNOON...WITH GFS THE WARMER
AND QUICKER MODEL IN THE CHANGEOVER THAN NAM. CIGS SHOULD CONTINUE
TO REMAIN IFR THROUGH MUCH OF THE TAF PERIOD PAST 15Z SAT.

&&

.DMX WATCHES/WARNINGS/ADVISORIES...WINTER STORM WARNING ALONG AND
NORTH OF HIGHWAY 30 PLUS TAMA COUNTY 12Z SAT-12Z SUN.  ICE STORM
WARNING 12Z-21Z SAT REMAINDER OF FORECAST AREA.

&&

SHORT/AVIATION...MS
LONG...COGIL

Hazardous weather outlook, Nov 30, 3:44 PM CST, 13 hours 16 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE DES MOINES IA
344 PM CST FRI NOV 30 2007

IAZ004>007-015>017-023>028-033>039-050-012145-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-TAMA-
344 PM CST FRI NOV 30 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA
NORTH OF HIGHWAY 30.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A WINTER STORM WARNING IS IN EFFECT FOR THE AREA SATURDAY...FOR
THE COMBINED SIGNIFICANT ACCUMULATIONS OF SNOW AND ICE. PLEASE
REFER TO OUR WINTER STORM WARNING PRODUCT FOUND ON THE NATIONAL
WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES FOR MORE DETAILS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED. HOWEVER ANY SNOWFALL OR
ICE ACCRUAL REPORTS WOULD BE GREATLY APPRECIATED.

IAZ044>049-057>062-070>075-081>086-092>097-012145-
CRAWFORD-CARROLL-GREENE-BOONE-STORY-MARSHALL-AUDUBON-GUTHRIE-
DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-
MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-
DECATUR-WAYNE-APPANOOSE-DAVIS-
344 PM CST FRI NOV 30 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA
ALONG AND SOUTH OF HIGHWAY 30.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

AN ICE STORM WARNING FOR SIGNIFICANT ACCUMULATIONS OF ICE IS IN
EFFECT FOR THE AREA SATURDAY. PLEASE REFER TO OUR ICE STORM
WARNING PRODUCT FOUND ON THE NATIONAL WEATHER SERVICE WEBSITE AT
WEATHER.GOV/DESMOINES FOR MORE DETAILS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED. HOWEVER ANY SNOWFALL OR
ICE ACCRUAL REPORTS WOULD BE GREATLY APPRECIATED.

MOYER

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

33 ice storm, 16 winter storm. Local standard time, as filed.

Ice Storm, Taylor

When: December 1, 5:00 AM CST to 2:00 PM CST
Where: Taylor forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 40.737, -94.696 (the zone’s center; the record gives no point)

Ice Storm, Ringgold

When: December 1, 5:00 AM CST to 2:00 PM CST
Where: Ringgold forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 40.735, -94.244 (the zone’s center; the record gives no point)

Ice Storm, Decatur

When: December 1, 5:00 AM CST to 2:00 PM CST
Where: Decatur forecast zone
Property damage: $50,000
Reported by: Law Enforcement
Coordinates: 40.738, -93.786 (the zone’s center; the record gives no point)

Ice Storm, Wayne

When: December 1, 6:00 AM CST to 2:00 PM CST
Where: Wayne forecast zone
Property damage: $50,000
Reported by: Law Enforcement
Coordinates: 40.740, -93.327 (the zone’s center; the record gives no point)

Ice Storm, Appanoose

When: December 1, 6:00 AM CST to 2:00 PM CST
Where: Appanoose forecast zone
Property damage: $50,000
Reported by: Law Enforcement
Coordinates: 40.743, -92.869 (the zone’s center; the record gives no point)

Ice Storm, Union

When: December 1, 6:00 AM CST to 2:00 PM CST
Where: Union forecast zone
Property damage: $50,000
Reported by: Law Enforcement
Coordinates: 41.028, -94.242 (the zone’s center; the record gives no point)

Ice Storm, Clarke

When: December 1, 6:00 AM CST to 2:00 PM CST
Where: Clarke forecast zone
Property damage: $50,000
Reported by: Law Enforcement
Coordinates: 41.029, -93.785 (the zone’s center; the record gives no point)

Ice Storm, Lucas

When: December 1, 6:00 AM CST to 2:00 PM CST
Where: Lucas forecast zone
Property damage: $50,000
Reported by: Law Enforcement
Coordinates: 41.029, -93.328 (the zone’s center; the record gives no point)

Ice Storm, Monroe

When: December 1, 6:00 AM CST to 2:00 PM CST
Where: Monroe forecast zone
Property damage: $50,000
Reported by: Law Enforcement
Coordinates: 41.030, -92.869 (the zone’s center; the record gives no point)

Ice Storm, Wapello

When: December 1, 6:00 AM CST to 2:00 PM CST
Where: Wapello forecast zone
Property damage: $50,000
Reported by: Law Enforcement
Coordinates: 41.031, -92.409 (the zone’s center; the record gives no point)

Ice Storm, Cass

When: December 1, 6:00 AM CST to 2:00 PM CST
Where: Cass forecast zone
Property damage: $15,000
Reported by: Law Enforcement
Coordinates: 41.332, -94.928 (the zone’s center; the record gives no point)

Ice Storm, Adair

When: December 1, 6:00 AM CST to 2:00 PM CST
Where: Adair forecast zone
Property damage: $25,000
Reported by: Law Enforcement
Coordinates: 41.331, -94.471 (the zone’s center; the record gives no point)

Ice Storm, Madison

When: December 1, 6:00 AM CST to 2:00 PM CST
Where: Madison forecast zone
Property damage: $25,000
Reported by: Law Enforcement
Coordinates: 41.331, -94.016 (the zone’s center; the record gives no point)

Ice Storm, Warren

When: December 1, 6:00 AM CST to 2:00 PM CST
Where: Warren forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 41.334, -93.561 (the zone’s center; the record gives no point)

Ice Storm, Marion

When: December 1, 6:00 AM CST to 2:00 PM CST
Where: Marion forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 41.334, -93.099 (the zone’s center; the record gives no point)

Ice Storm, Audubon

When: December 1, 6:00 AM CST to 2:00 PM CST
Where: Audubon forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 41.685, -94.906 (the zone’s center; the record gives no point)

Ice Storm, Guthrie

When: December 1, 6:00 AM CST to 2:00 PM CST
Where: Guthrie forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 41.684, -94.501 (the zone’s center; the record gives no point)

Ice Storm, Dallas

When: December 1, 6:00 AM CST to 2:00 PM CST
Where: Dallas forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 41.685, -94.040 (the zone’s center; the record gives no point)

Ice Storm, Polk

When: December 1, 6:00 AM CST to 2:00 PM CST
Where: Polk forecast zone
Property damage: $50,000
Reported by: Law Enforcement
Coordinates: 41.686, -93.573 (the zone’s center; the record gives no point)

Ice Storm, Jasper

When: December 1, 6:00 AM CST to 2:00 PM CST
Where: Jasper forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 41.686, -93.054 (the zone’s center; the record gives no point)

Ice Storm, Poweshiek

When: December 1, 6:00 AM CST to 2:00 PM CST
Where: Poweshiek forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 41.686, -92.531 (the zone’s center; the record gives no point)

Ice Storm, Crawford

When: December 1, 6:00 AM CST to 6:00 PM CST
Where: Crawford forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 42.037, -95.382 (the zone’s center; the record gives no point)

Ice Storm, Carroll

When: December 1, 6:00 AM CST to 6:00 PM CST
Where: Carroll forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 42.036, -94.861 (the zone’s center; the record gives no point)

Ice Storm, Davis

When: December 1, 6:30 AM CST to 2:00 PM CST
Where: Davis forecast zone
Property damage: $50,000
Reported by: Law Enforcement
Coordinates: 40.748, -92.410 (the zone’s center; the record gives no point)

Ice Storm, Greene

When: December 1, 7:00 AM CST to 6:00 PM CST
Where: Greene forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 42.036, -94.397 (the zone’s center; the record gives no point)

Ice Storm, Boone

When: December 1, 7:00 AM CST to 6:00 PM CST
Where: Boone forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 42.037, -93.932 (the zone’s center; the record gives no point)

Ice Storm, Story

When: December 1, 7:00 AM CST to 6:00 PM CST
Where: Story forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 42.036, -93.465 (the zone’s center; the record gives no point)

Ice Storm, Marshall

When: December 1, 7:00 AM CST to 6:00 PM CST
Where: Marshall forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 42.036, -92.999 (the zone’s center; the record gives no point)

Ice Storm, Tama

When: December 1, 7:00 AM CST to 6:00 PM CST
Where: Tama forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 42.080, -92.532 (the zone’s center; the record gives no point)

Ice Storm, Hardin

When: December 1, 8:00 AM CST to 7:00 PM CST
Where: Hardin forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 42.384, -93.240 (the zone’s center; the record gives no point)

Ice Storm, Grundy

When: December 1, 8:00 AM CST to 7:00 PM CST
Where: Grundy forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 42.402, -92.791 (the zone’s center; the record gives no point)

Ice Storm, Franklin

When: December 1, 8:00 AM CST to 7:00 PM CST
Where: Franklin forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 42.733, -93.262 (the zone’s center; the record gives no point)

Ice Storm, Butler

When: December 1, 8:00 AM CST to 7:00 PM CST
Where: Butler forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 42.732, -92.790 (the zone’s center; the record gives no point)

Winter Storm, Calhoun

When: December 1, 8:00 AM CST to 7:00 PM CST
Where: Calhoun forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 42.385, -94.640 (the zone’s center; the record gives no point)

Winter Storm, Webster

When: December 1, 8:00 AM CST to 7:00 PM CST
Where: Webster forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 42.428, -94.182 (the zone’s center; the record gives no point)

Winter Storm, Hamilton

When: December 1, 8:00 AM CST to 7:00 PM CST
Where: Hamilton forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 42.384, -93.707 (the zone’s center; the record gives no point)

Winter Storm, Pocahontas

When: December 1, 8:00 AM CST to 7:00 PM CST
Where: Pocahontas forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 42.734, -94.679 (the zone’s center; the record gives no point)

Winter Storm, Humboldt

When: December 1, 8:00 AM CST to 7:00 PM CST
Where: Humboldt forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 42.777, -94.207 (the zone’s center; the record gives no point)

Winter Storm, Wright

When: December 1, 8:00 AM CST to 7:00 PM CST
Where: Wright forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 42.733, -93.735 (the zone’s center; the record gives no point)

Winter Storm, Bremer

When: December 1, 8:00 AM CST to 7:00 PM CST
Where: Bremer forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 42.775, -92.318 (the zone’s center; the record gives no point)

Winter Storm, Black Hawk

When: December 1, 8:00 AM CST to 7:00 PM CST
Where: Black Hawk forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 42.470, -92.309 (the zone’s center; the record gives no point)

Winter Storm, Palo Alto

When: December 1, 8:00 AM CST to 7:00 PM CST
Where: Palo Alto forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 43.082, -94.678 (the zone’s center; the record gives no point)

Winter Storm, Kossuth

When: December 1, 8:00 AM CST to 7:00 PM CST
Where: Kossuth forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 43.204, -94.207 (the zone’s center; the record gives no point)

Winter Storm, Hancock

When: December 1, 8:00 AM CST to 7:00 PM CST
Where: Hancock forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 43.082, -93.734 (the zone’s center; the record gives no point)

Winter Storm, Cerro Gordo

When: December 1, 8:00 AM CST to 7:00 PM CST
Where: Cerro Gordo forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 43.082, -93.261 (the zone’s center; the record gives no point)

Winter Storm, Emmet

When: December 1, 8:00 AM CST to 7:00 PM CST
Where: Emmet forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 43.378, -94.678 (the zone’s center; the record gives no point)

Winter Storm, Winnebago

When: December 1, 8:00 AM CST to 7:00 PM CST
Where: Winnebago forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 43.378, -93.734 (the zone’s center; the record gives no point)

Winter Storm, Worth

When: December 1, 8:00 AM CST to 7:00 PM CST
Where: Worth forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 43.377, -93.261 (the zone’s center; the record gives no point)

Winter Storm, Sac

When: December 1, 8:00 AM CST to 7:00 PM CST
Where: Sac forecast zone
Property damage: $10,000
Reported by: Law Enforcement
Coordinates: 42.386, -95.105 (the zone’s center; the record gives no point)

What these are

Ice Storm: Freezing rain accumulating a quarter inch or more of ice, or less where it caused significant damage.
Winter Storm: A storm that brought snow, sleet or freezing rain at warning levels, usually over several hours or days.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Iowa in 2007 Every state in 2007 This day in weather history Warnings in Iowa, December 2007

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 61557, 61558, 61559, 61560, 61561, 61564, 61565, 61566, 61567, 61568, 61569, 61570, 61571, 61572, 61573, 61574, 61575, 61576, 61577, 61578, 61579, 61580, 61581, 61562, 61582, 61583, 61584, 61585, 61586, 61587, 61588, 61589, 61590, 61591, 61592, 61593, 61594, 61595, 61596, 61597, and more.