Alert archive / Minnesota / Heat Advisories in 2016

Heat Advisory 3, NWS Twin Cities, MN

June 25, 201617 counties in Minnesota

NWS Twin Cities, MN issued this heat advisory at Jun 25, 2016, 2:59 AM CDT for 17 counties in Minnesota. It took effect at Jun 25, 2016, 1:00 PM CDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Jun 25, 2016, 2:59 AM CDT (07:59 UTC)
In effect from
Jun 25, 2016, 1:00 PM CDT
Expired
Jun 25, 2016, 6:00 PM CDT
In force
5 hr
Issued by
NWS Twin Cities, MN

Counties Anoka County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Dakota County, MN, Hennepin County, MN, Le Sueur County, MN, McLeod County, MN, Nicollet County, MN, Ramsey County, MN, Rice County, MN, Scott County, MN, Sibley County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 30 km from the middle of the area, began a volume at 07:57 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 00:00Z, 8.0 hours before the alert went out and 29 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-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2016-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 56 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2016-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
56 J/kg
Mixed-layer CIN
-508 J/kg
Mixed-layer LCL
1431 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

496 
WWUS73 KMPX 250759
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
259 AM CDT SAT JUN 25 2016

...HOT AND HUMID THIS AFTERNOON...

.HEAT INDICES OF 95 TO 100 DEGREES ARE EXPECTED THIS AFTERNOON
ACROSS MUCH OF CENTRAL AND SOUTH CENTRAL MINNESOTA...INCLUDING THE
TWIN CITIES METRO AREA.

MNZ059>063-066>070-074>077-082>084-251600-
/O.NEW.KMPX.HT.Y.0003.160625T1800Z-160625T2300Z/
WRIGHT-HENNEPIN-ANOKA-RAMSEY-WASHINGTON-MCLEOD-SIBLEY-CARVER-
SCOTT-DAKOTA-BROWN-NICOLLET-LE SUEUR-RICE-WATONWAN-BLUE EARTH-
WASECA-
INCLUDING THE CITIES OF...MONTICELLO...MINNEAPOLIS...BLAINE...
ST PAUL...STILLWATER...HUTCHINSON...GAYLORD...CHASKA...SHAKOPEE...
HASTINGS...NEW ULM...ST PETER...LE SUEUR...FARIBAULT...ST JAMES...
MANKATO...WASECA
259 AM CDT SAT JUN 25 2016

...HEAT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM CDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A HEAT ADVISORY...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO
6 PM CDT THIS EVENING. 

* TEMPERATURE...AIR TEMPERATURE 90 TO 95. HEAT INDICES 95 TO 100.

* IMPACTS...HEAT RELATED ILLNESS IS POSSIBLE IF PRECAUTIONS ARE 
  NOT TAKEN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY
WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE
POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED
ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND
NEIGHBORS.

&&

$$
1 follow-up statement
614 
WWUS73 KMPX 251527
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1027 AM CDT SAT JUN 25 2016

...HEAT INDEX VALUES APPROACHING 100 THIS AFTERNOON...

.HEAT INDICES WILL CONTINUE TO CLIMB THIS AFTERNOON...WITH VALUES
OF 95 TO 100 DEGREES AFTER 1 PM. THIS HEAT ADVISORY INCLUDES
PORTIONS OF EAST CENTRAL AND AND SOUTH CENTRAL
MINNESOTA...INCLUDING THE TWIN CITIES METRO AREA.

MNZ059>063-066>070-074>077-082>084-252300-
/O.CON.KMPX.HT.Y.0003.160625T1800Z-160625T2300Z/
WRIGHT-HENNEPIN-ANOKA-RAMSEY-WASHINGTON-MCLEOD-SIBLEY-CARVER-
SCOTT-DAKOTA-BROWN-NICOLLET-LE SUEUR-RICE-WATONWAN-BLUE EARTH-
WASECA-
INCLUDING THE CITIES OF...MONTICELLO...MINNEAPOLIS...BLAINE...
ST PAUL...STILLWATER...HUTCHINSON...GAYLORD...CHASKA...SHAKOPEE...
HASTINGS...NEW ULM...ST PETER...LE SUEUR...FARIBAULT...ST JAMES...
MANKATO...WASECA
1027 AM CDT SAT JUN 25 2016

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING...

* TEMPERATURE...AIR TEMPERATURE 90 TO 95. HEAT INDICES 95 TO 100.

* IMPACTS...HEAT RELATED ILLNESS IS POSSIBLE IF PRECAUTIONS ARE 
  NOT TAKEN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY
WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE
POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED
ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND
NEIGHBORS.

&&

$$

JLT

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 25, 2:14 PM CDTSpecial Weather StatementMPXTodd46 min
Jun 25, 3:06 PM CDTSpecial Weather StatementMPXTodd24 min
Jun 25, 3:14 PM CDTSevere Thunderstorm WarningMPXMorrison, Todd17 min
Jun 25, 3:22 PM CDTSevere Thunderstorm WarningMPXMorrison, Todd53 min
Jun 25, 3:52 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Stearns38 min
Jun 25, 4:07 PM CDTSevere Thunderstorm WarningMPXMille Lacs, Morrison23 min
Jun 25, 5:00 PM CDTSpecial Weather StatementMPXBenton, Isanti, Kanabec, Mille Lacs, Sherburne30 min
Jun 25, 5:53 PM CDTSevere Thunderstorm WarningMPXAnoka, Chisago, Isanti25 min

Nearby

Heat Advisories in Minnesota, 2016Every heat advisory in 2016

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.