February 2015 Summary

February 2015 Summary February 2015 Summary - Start

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February 2015 Summary - Description

National Weather Service Detroit/Pontiac. Highlights. Detroit. Flint. Saginaw. 2. nd. coldest February and 5. th. coldest month on record. 10 lows below zero is second-most on record for February. 5 record low . ID: 242002 Download Presentation

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February 2015 Summary




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Presentations text content in February 2015 Summary

Slide1

February 2015 Summary

National Weather Service Detroit/Pontiac

Slide2

Highlights

Detroit

Flint

Saginaw

2

nd coldest February and 5th coldest month on record10 lows below zero is second-most on record for February5 record low mins and 1 record low maxAverage temperature comparable to normal February values for Edmonton, AB and Caribou, ME

Coldest February and 2nd coldest month on record11 lows below zero is tied for most on record for February6 record low mins and 3 record low maxesLow of −25° on Feb 20 was lowest Feb temp of all time and tied for lowest temp of all timeAverage temperature comparable to normal February values for Regina, SK and Grand Forks, ND

Coldest February and 3

rd

coldest month on record

10 lows below zero is third-most on record for February

5 record low

mins

and 2 record low maxes

Average temperature comparable to normal February values for Regina, SK and Grand Forks, ND

Slide3

Coldest Months of All Time (Avg. Temp°F)

RankMonthTemp1Feb 187512.22Jan 197712.83Jan 191213.14Jan 191813.25Feb 201514.16Feb 193414.87Jan 187515.38Jan 189315.49Feb 193616.010Feb 190416.1

Detroit

Flint

Saginaw

RankMonthTemp1Jan 197710.92Feb 201511.33Feb 197912.84Jan 196313.15Feb 197813.46Jan 199413.87Jan 198414.38Jan 200914.59Feb 196314.910Jan 197015.1

RankMonthTemp1Jan 19129.42Jan 191810.43Feb 201511.54Jan 196311.65Jan 199412.16Feb 197912.17Jan 192012.78Jan 197712.89Feb 191413.010Feb 196313.2

Records begin Jan 1874

Records begin Jan 1921

Records begin Jan 1912

Slide4

Observed vs. Normal Feb TempsFor Selected Locations

OBSERVED (°F)

Detroit

FlintSaginawTemp14.111.311.5Departure from normal−14.0−13.5−13.0

NORMAL (°F)

CityTempFairbanks, AK−1.3Winnipeg, MB8.2Saskatoon, SK9.5International Falls, MN10.3Regina, SK10.9Grand Forks, ND12.0Caribou, ME14.1Edmonton, AB14.3Fargo, ND14.6Duluth, MN15.1

CityTempMarquette, MI15.5Sault Ste. Marie, MI17.6Bismarck, ND18.1Anchorage, AK20.2Green Bay, WI20.3Minneapolis, MN20.8Saginaw, MI24.5Flint, MI24.8Detroit, MI28.1Miami, FL70.2

Based on 1981

–2010

normals

. Canadian data obtained

from Environment Canada http://climate.weather.gc.ca/climate_normals/index_e.html#1981

Slide5

Number of Feb. Days Below Zero

RankYearNum1187514220151021936102188510519857519827519797519347919146919056

Detroit

Flint

Saginaw

RankYearNum12015111197911320141031978105196396199686196786193689198271019946

RankYearNum119361221979113201510319341031914106196396191798192078191271020146

Records begin Jan 1874

Records begin Jan 1921

Records begin Jan 1912

Slide6

−9°

−5°

−13°

Annotated values indicate record low min or max values tied or broken in 2015

Daily Temps and Records - Detroit

−4°

−2°

Slide7

−13°

−17°

−21°

−25°

−17°

11°

Annotated values indicate record low min or max values tied or broken in 2015

Daily Temps and Records - Flint

*

*

Feb 20 low of −25° is the coldest February temp on record and ties for the coldest temp of all time (Jan 18, 1976)

−17°

Slide8

−13°

−15°

−9°

−13°

Annotated values indicate record low min or max values tied or broken in 2015

Daily Temps and Records - Saginaw

−9°

Slide9

Other Cold Low Temperatures (°F)

Port Huron−26 Lapeer−25Caro−24White Lake−23Bad Axe−21Owosso−17Pontiac−17Midland−16Howell−16Adrian−13Monroe−13Port Hope−12Ann Arbor (UM)−11

Port Huron−29 Lapeer−29Caro−28White Lake−25Midland−24Bad Axe−23Owosso−21Adrian−20Pontiac−19Howell−17Port Hope−16Monroe−15Ann Arbor (UM)−15

FEB 16

FEB 20

Caro−21 Midland−19Owosso−15White Lake−14Bad Axe−14Port Huron−11Lapeer−11Howell−10Pontiac−9Monroe−8Ann Arbor (UM)−7Port Hope−6Adrian−6

FEB 23

Slide10

Persistent Ridge/Trough Pattern

Slide11

Persistent Ridge/Trough Pattern

February average temperature departure from normal

February average temperature ranking

Data from Southeast Regional

Climate Center http://www.sercc.com/perspectivesmap?region=conus

Slide12

February Snowfall

Monthly

DetroitFlintSaginawObserved26.4”17.4”16.2”Rank7th snowiest11th snowiestT-17th snowiestDeparture from Normal+16.2”+6.6”+7.6”

Much of the snowfall occurred during the Feb. 1–2 storm, one of the largest on record for Detroit and Flint.

Feb 1

–2

Detroit

Flint

Saginaw

Observed

16.7”

9.2”

7.1”

Rank (overall)

3

rd

largest

22

nd

largest

NA

Rank (Feb)

Largest

6

th

largest

NA

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