Alert archive / Colorado / Flash Flood Warnings in 2010

Flash Flood Warning 1, NWS Denver/Boulder, CO

May 26, 2010Weld County, Colorado

NWS Denver/Boulder, CO issued this flash flood warning at May 26, 2010, 8:58 PM MDT for Weld County, Colorado. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 26, 2010, 8:58 PM MDT (02:58 UTC)
Expired
May 26, 2010, 11:00 PM MDT
In force
2 hr
Issued by
NWS Denver/Boulder, CO
Area
Storm-based polygon
Flood severity
None

County Weld County, CO

The radar

The Denver radar (KFTG), 33 km from the middle of the area, began a volume at 02:58 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 3.0 hours before the alert went out and 112 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, Denver, CO at 00:00Z on 2010-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 480 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2010-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
480 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
2413 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
127 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

525 
WGUS55 KBOU 270258
FFWBOU
COC123-270500-
/O.NEW.KBOU.FF.W.0001.100527T0258Z-100527T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
858 PM MDT WED MAY 26 2010

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL WELD COUNTY IN NORTHEAST COLORADO

* UNTIL 1100 PM MDT

* AT 857 PM MDT...TRAINED WEATHER SPOTTERS REPORTED FLASH FLOODING
  FROM A THUNDERSTORM 2 MILES SOUTH OF KEENESBURG...OR 26 MILES
  SOUTHEAST OF GREELEY. THIS STORM WAS MOVING NORTHEAST AT 20 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO KEENESBURG.

DOPPLER RADAR ESTIMATES THAT UP TO 2 INCHES OF RAIN HAVE FALLEN IN 
AREAS SOUTH OF HUDSON AND KEENESBURG FROM THIS STORM IN THE LAST 45 
MINUTES. WATER WAS REPORTED RUNNING UP TO 8 INCHES DEEP OVER HIGHWAY 
52 EAST OF HUDSON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES AND
ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM MDT WEDNESDAY EVENING
FOR NORTHEASTERN COLORADO.

&&

LAT...LON 4013 10444 4000 10446 4000 10461 4009 10460
      4016 10450

$$
GIMMESTAD
2 follow-up statements
067 
WGUS75 KBOU 270355
FFSBOU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
955 PM MDT WED MAY 26 2010

COC123-270500-
/O.CON.KBOU.FF.W.0001.000000T0000Z-100527T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WELD CO-
955 PM MDT WED MAY 26 2010

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 PM MDT FOR
SOUTH CENTRAL WELD COUNTY...

AT 953 PM MDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT FLASH 
FLOODING CONTINUED IN AREAS SOUTH OF KEENESBURG AND HUDSON DUE TO 
RUNOFF FROM EARLIER THUNDERSTORMS.  FLOODING WAS OCCURRING ON 
HIGHWAY 52 AT WELD COUNTY ROAD 49 WHICH IS 2 MILES EAST OF HUDSON.

LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
KEENESBURG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES AND
ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY AS THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY. DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A
FEW INCHES OF RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR
VEHICLE. TURN AROUND...DO NOT DROWN.

&&

LAT...LON 4013 10444 4000 10446 4000 10461 4009 10460
      4016 10450

$$
GIMMESTAD
498 
WGUS75 KBOU 270500
FFSBOU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
1100 PM MDT WED MAY 26 2010

COC123-270508-
/O.EXP.KBOU.FF.W.0001.000000T0000Z-100527T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WELD CO-
1100 PM MDT WED MAY 26 2010

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1100 PM MDT FOR SOUTH
CENTRAL WELD COUNTY...

FLASH FLOODING HAS SUBSIDED. THERE WAS STILL SOME STANDING WATER ON 
HIGHWAY 52 AT WELD COUNTY ROAD 49 ABOUT 2 MILES EAST OF HUDSON. 
DRIVERS IN AREAS SOUTH OF HUDSON AND KEENESBURG SHOULD REMAIN ALERT 
FOR AREAS WHERE ROADS MAY HAVE BEEN DAMAGED AND AVOID DRIVING 
THROUGH WATER OF UNKNOWN DEPTH. 

LAT...LON 4013 10444 4000 10446 4000 10461 4009 10460
      4016 10450

$$
GIMMESTAD

What forecasters said that day

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

NWS Denver/Boulder, CO wrote its last area forecast discussion before this flash flood warning went out at May 26, 3:00 PM MDT, 5 hours 58 minutes earlier.

Area forecast discussion, May 26, 3:00 PM MDT, 5 hours 58 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DENVER CO
300 PM MDT WED MAY 26 2010

.SHORT TERM...AN ACTIVE AFTERNOON WITH TORNADIC THUNDERSTORMS
POPPING UP ON THE NORTH SIDE OF DENVER SHORTLY AFTER LUNCHTIME.  THE
UNSTABLE AIRMASS WILL REMAIN IN PLACE THROUGH THE EVENING WITH MOIST
SOUTHEASTERLY WINDS CONTINUING TO FLOW ACROSS THE EASTERN PLAINS.
TORNADO WATCH WILL REMAIN IN EFFECT FOR THE BULK OF THE FORECAST
AREA THROUGH 03Z.  ALOFT...MODERATE SOUTHWESTERLY FLOW ALOFT WILL
CONTINUE OVERNIGHT WITH GRADUAL WARMING.  A STRONG...LATE SEASON
UPPER LEVEL JET REAMINS WELL TO OUR WEST...WHICH WILL REMAIN OVER
NORTHERN UTAH THROUGH THURSDAY AS HEIGHTS RISE OVER COLORADO.
TEMPERATURES ALOFT WILL BE SOME 3 TO 5 DEGREES C WARMER THAN
TODAY...SO CONVECTION TOMORROW SHOULD NOT BE QUITE AS STRONG AS THIS
AFTERNOON.  THE WIND PROFILE WILL AGAIN BE FAVORABLE FOR ORGANIZED
CONVECTION...SO ANY SHORT WAVE EMBEDDED IN THE FLOW OUGHT TO BE ABLE
TO INITIATE THUNDERSTORMS.  TEMPERATURES OVERNIGHT WILL BE QUITE
MILD DUE TO SURFACE DEW POINTS HOLDING IN THE UPPER 40S AND LOWER
50S.  WITH THE WARMING AT ALL LEVELS...HIGH TEMPERATURES SHOULD HAVE
NO PROBLEM CLIMBING INTO THE 80S BEFORE SHOWERS GET STARTED.  THE
THREAT FOR ANOTHER ACTIVE DAY WILL CERTAINLY CONTINUE.

.LONG TERM...TEMPERATURES ALOFT WARM FURTHER TOMORROW EVENING AND
WILL REMAIN QUITE WARM THROUGH FRIDAY.  THERE IS STILL PLENTY OF LOW
LEVEL MOISTURE AND INSTABILITY PRESENT...SO THE THREAT OF A FEW
SEVERE STORMS EACH DAY WILL REMAIN IN PLACE THURSDAY EVENING AND
THEN AGAIN FRIDAY.  TEMPERATURES WILL BE WARMING THOUGH...AND
WITHOUT THE LACK OF ANY SYNOPTIC SCALE FORCING THE OVERALL STORM
COVERAGE SHOULD REMAIN SOMEWHAT LIMITED.  A BETTER CHANCE OF SHOWERS
AND STORMS WILL OCCUR SATURDAY AFTERNOON/EVENING AS STRONGER UPPER
LEVEL TROUGH MOVES ACROSS.

THIS NEXT TROUGH WILL USHER IN SOMEWHAT COOLER TEMPERATURES AND MORE
STABILITY SO WE WILL KEEP SUNDAY DRY AND COOLER.  BY MEMORIAL
DAY...SOME LOW LEVEL MOISTURE AND INSTABILITY SHOULD TRY TO RETURN
ACROSS THE EASTERN PLAINS FOR A SLIGHT CHANCE OF STORMS.  AT THIS
TIME...THE MEDIUM RANGE MODELS SHOW THAT THE MOISTURE MAY NOT MAKE
IT BACK TO THE FRONT RANGE BY AFTERNOON SO WILL KEEP THE FRONT
RANGE/I-25 CORRIDOR DRY FOR NOW BUT WILL CONTINUE TO MONITOR.  BY
TUESDAY AND WEDNESDAY...LOOKS LIKE A TYPICAL EARLY JUNE FORECAST
WITH NEAR NORMAL TEMPERATURES AND A CHANCE OF AFTERNOON/EVENING
THUNDERSTORMS AS MOISTURE RETURNS.

&&

.AVIATION...SLOW MOVING THUNDERSTORMS IN THE VICINITY OF THE DENVER
AIRPORT MAY LINGER THROUGH ALMOST 00Z.  ADDITIONAL THUNDERSTORM
DEVELOPMENT WILL BE POSSIBLE WELL INTO THE EVENING DUE TO MOIST
UNSTABLE SOUTHEASTERLY FLOW INTERACTING WITH OUTFLOW BOUNDARIES FROM
THE PRESENT SHOWER ACTIVITY.  AFTER EVENING CONVECTION WINDS DOWN...
SOUTHERLY/DRAINAGE WINDS SHOULD KEEP ANY STRATUS FROM DEVELOPING.
MORE STRONG THUNDERSTORM ACTIVITY WILL BE POSSIBLE AGAIN THURSDAY
AFTERNOON AS THE MOIST AIRMASS REMAINS IN PLACE.  MID-LEVEL
TEMPERATURES WILL BE A FEW DEGREES WARMER THAN TODAY...SO
THUNDERSTORMS MAY END UP WITH A LITTLE LESS POP THAN TODAY.

&&

.BOU WATCHES/WARNINGS/ADVISORIES...NONE.

KDRBY/BARJENBRUCH
Hazardous weather outlook, May 26, 10:47 AM MDT, 10 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER CO
1047 AM MDT WED MAY 26 2010

COZ030>051-271200-
JACKSON COUNTY BELOW 9000 FEET-WEST JACKSON AND WEST GRAND
COUNTIES ABOVE 9000 FEET-GRAND AND SUMMIT COUNTIES BELOW 9000
FEET-SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-SOUTH AND SOUTHEAST
GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/GILPIN/CLEAR CREEK/
SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND
BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-JEFFERSON AND WEST
DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK
COUNTIES BELOW 9000 FEET-CENTRAL AND SOUTHEAST PARK COUNTY-LARIMER
COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-BOULDER AND JEFFERSON
COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY-NORTH DOUGLAS
COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/
EAST BROOMFIELD COUNTY-ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES
ABOVE 6000 FEET-NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD
COUNTY-MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN
COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS
COUNTY-
1047 AM MDT WED MAY 26 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL
COLORADO.

.DAY ONE...TODAY AND TONIGHT

A MOIST AIRMASS HAS MOVED INTO NORTHEAST COLORADO TODAY WHICH WILL
BECOME UNSTABLE THIS AFTERNOON AS DAYTIME HEATING CONTINUES.  WINDS
ACROSS THE PLAINS AND ALOFT ARE ALSO FAVORABLE FOR THE DEVELOPMENT
OF STRONG AND ORGANIZED THUNDERSTORMS.  SCATTERED THUNDERSTORMS ARE
EXPECTED TO DEVELOP AFTER 1 PM...INITIALLY OVER THE URBAN CORRIDOR.
THROUGH THE LATE AFTERNOON AND EVENING HOURS...THUNDERSTORMS ARE
EXPECTED TO SPREAD EASTWARD ACROSS THE PLAINS.  THUNDERSTORMS MAY
PRODUCE LOCALLY HEAVY RAINFALL...LARGE HAIL AND DAMAGING WINDS.  THE
THREAT OF TORNADOS ALSO EXISTS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A FEW AFTERNOON AND EVENING THUNDERSTORMS WILL DEVELOP EACH DAY
THROUGH SATURDAY.  ENOUGH INSTABILITY AND WIND SHEAR WILL BE PRESENT
FOR A THREAT OF SEVERE WEATHER WITH LARGE HAIL AND DAMAGING WINDS
FROM THE STRONGER STORMS.  DRIER WEATHER SHOULD THEN PREVAIL SUNDAY
AND MEMORIAL DAY...BEFORE A SLIGHT CHANCE OF STORMS RETURNS TO MOST
OF THE FORECAST AREA TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS EXPECTED FOR THIS AFTERNOON AND EVENING.

DANKERS/BARJENBRUCH

In the hours before

Local storm report, May 26, 5:38 PM MDT, 3 hours 20 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
538 PM MDT WED MAY 26 2010

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

0535 PM     HAIL             4 W WIGGINS             40.23N 104.15W
05/26/2010  M1.75 INCH       MORGAN             CO   EMERGENCY MNGR

0527 PM     HAIL             5 SW WIGGINS            40.18N 104.14W
05/26/2010  M1.00 INCH       MORGAN             CO   TRAINED SPOTTER

0516 PM     HAIL             14 NE KIOWA             39.46N 104.25W
05/26/2010  M1.50 INCH       ELBERT             CO   TRAINED SPOTTER

0434 PM     HAIL             4 S ROGGEN              40.11N 104.37W
05/26/2010  M2.00 INCH       WELD               CO   TRAINED SPOTTER

0425 PM     HAIL             1 WSW PROSPECT VALLEY   40.07N 104.43W
05/26/2010  M1.75 INCH       WELD               CO   TRAINED SPOTTER

0420 PM     HAIL             PROSPECT VALLEY         40.07N 104.41W
05/26/2010  M2.00 INCH       WELD               CO   STORM CHASER

0332 PM     HAIL             3 E HUDSON              40.07N 104.59W
05/26/2010  M1.50 INCH       WELD               CO   TRAINED SPOTTER

0330 PM     HAIL             5 E LOCHBUIE            40.01N 104.63W
05/26/2010  M1.00 INCH       WELD               CO   TRAINED SPOTTER

            HAIL SIX INCHES DEEP

0314 PM     TSTM WND DMG     4 NW WINDSOR            40.53N 104.96W
05/26/2010                   LARIMER            CO   TRAINED SPOTTER

            MULTIPLE STRUCTURED KNOCKED DOWN AND 15 FOOT SILO BLOWN
            ACROSS THE FIELD

0310 PM     TORNADO          5 SE BRIGHTON           39.93N 104.73W
05/26/2010                   ADAMS              CO   TRAINED SPOTTER

0306 PM     TSTM WND GST     6 SE WELLINGTON         40.64N 104.92W
05/26/2010  E65.00 MPH       WELD               CO   TRAINED SPOTTER

0305 PM     HAIL             5 SSE HUDSON            40.00N 104.61W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0250 PM     HAIL             4 NW WINDSOR            40.53N 104.96W
05/26/2010  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

0245 PM     HAIL             3 E TIMNATH             40.53N 104.93W
05/26/2010  M1.25 INCH       WELD               CO   TRAINED SPOTTER

0225 PM     TORNADO          6 ESE BRIGHTON          39.95N 104.69W
05/26/2010                   ADAMS              CO   AMATEUR RADIO

0202 PM     HAIL             10 SSE BRIGHTON         39.85N 104.72W
05/26/2010  M1.25 INCH       DENVER             CO   TRAINED SPOTTER

0153 PM     HAIL             4 S BRIGHTON            39.93N 104.79W
05/26/2010  M2.75 INCH       ADAMS              CO   TRAINED SPOTTER

0151 PM     HAIL             2 SSE BRIGHTON          39.96N 104.78W
05/26/2010  M2.75 INCH       ADAMS              CO   LAW ENFORCEMENT

0151 PM     HAIL             1 NE THORNTON           39.90N 104.95W
05/26/2010  M1.75 INCH       ADAMS              CO   TRAINED SPOTTER

            EXTENSIVE DAMAGE TO ALL TREES IN VICINITY.

0149 PM     TORNADO          3 S BRIGHTON            39.94N 104.79W
05/26/2010                   ADAMS              CO   AMATEUR RADIO

0149 PM     HAIL             COMMERCE CITY           39.81N 104.92W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0148 PM     HAIL             1 SE THORNTON           39.89N 104.95W
05/26/2010  M1.75 INCH       ADAMS              CO   TRAINED SPOTTER

0148 PM     HAIL             5 NE COMMERCE CITY      39.87N 104.86W
05/26/2010  M1.75 INCH       ADAMS              CO   TRAINED SPOTTER

0145 PM     HAIL             4 NW DENVER INTL AIRPOR 39.91N 104.73W
05/26/2010  M1.75 INCH       ADAMS              CO   NWS EMPLOYEE

0145 PM     HAIL             1 ESE BRIGHTON          39.98N 104.79W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0145 PM     TORNADO          4 W DENVER INTL AIRPORT 39.87N 104.75W
05/26/2010                   ADAMS              CO   PUBLIC

0140 PM     HAIL             2 N COMMERCE CITY       39.84N 104.92W
05/26/2010  M1.00 INCH       ADAMS              CO   NWS EMPLOYEE

0133 PM     HAIL             COMMERCE CITY           39.81N 104.92W
05/26/2010  M2.00 INCH       ADAMS              CO   TRAINED SPOTTER

            WINDOW DAMAGE REPORTED

0131 PM     HAIL             7 E THORNTON            39.89N 104.82W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0130 PM     HAIL             5 SSW BARR LAKE         39.88N 104.81W
05/26/2010  M1.50 INCH       ADAMS              CO   TRAINED SPOTTER

0130 PM     TORNADO          8 SSW BRIGHTON          39.88N 104.85W
05/26/2010                   ADAMS              CO   NWS EMPLOYEE

0123 PM     HAIL             5 NE COMMERCE CITY      39.87N 104.86W
05/26/2010  M2.00 INCH       ADAMS              CO   TRAINED SPOTTER

            SEVERAL CAR WINDOWS BUSTED OUT

&&

JK
Local storm report, May 26, 6:04 PM MDT, 2 hours 54 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
604 PM MDT WED MAY 26 2010

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

0601 PM     HAIL             SW WIGGINS              40.23N 104.07W
05/26/2010  M2.00 INCH       MORGAN             CO   TRAINED SPOTTER

            VORTEX 2

0600 PM     HAIL             10 SW DEER TRAIL        39.51N 104.17W
05/26/2010  M1.50 INCH       ELBERT             CO   TRAINED SPOTTER

0544 PM     HAIL             2 SW WIGGINS            40.21N 104.10W
05/26/2010  M1.50 INCH       MORGAN             CO   TRAINED SPOTTER

0535 PM     HAIL             4 W WIGGINS             40.23N 104.15W
05/26/2010  M1.75 INCH       MORGAN             CO   EMERGENCY MNGR

0527 PM     HAIL             5 SW WIGGINS            40.18N 104.14W
05/26/2010  M1.00 INCH       MORGAN             CO   TRAINED SPOTTER

0516 PM     HAIL             14 NE KIOWA             39.46N 104.25W
05/26/2010  M1.50 INCH       ELBERT             CO   TRAINED SPOTTER

0434 PM     HAIL             4 S ROGGEN              40.11N 104.37W
05/26/2010  M2.00 INCH       WELD               CO   TRAINED SPOTTER

            VORTEX 2

0425 PM     HAIL             1 WSW PROSPECT VALLEY   40.07N 104.43W
05/26/2010  M1.75 INCH       WELD               CO   TRAINED SPOTTER

0420 PM     HAIL             PROSPECT VALLEY         40.07N 104.41W
05/26/2010  M2.00 INCH       WELD               CO   STORM CHASER

            VORTEX 2

0332 PM     HAIL             3 E HUDSON              40.07N 104.59W
05/26/2010  M1.50 INCH       WELD               CO   TRAINED SPOTTER

0330 PM     HAIL             5 E LOCHBUIE            40.01N 104.63W
05/26/2010  M1.00 INCH       WELD               CO   TRAINED SPOTTER

            HAIL SIX INCHES DEEP

0314 PM     TSTM WND DMG     4 NW WINDSOR            40.53N 104.96W
05/26/2010                   LARIMER            CO   TRAINED SPOTTER

            MULTIPLE STRUCTURED KNOCKED DOWN AND 15 FOOT SILO BLOWN
            ACROSS THE FIELD

0310 PM     TORNADO          5 SE BRIGHTON           39.93N 104.73W
05/26/2010                   ADAMS              CO   TRAINED SPOTTER

0306 PM     TSTM WND GST     6 SE WELLINGTON         40.64N 104.92W
05/26/2010  E65.00 MPH       WELD               CO   TRAINED SPOTTER

0305 PM     HAIL             5 SSE HUDSON            40.00N 104.61W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0250 PM     HAIL             4 NW WINDSOR            40.53N 104.96W
05/26/2010  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

0245 PM     HAIL             3 E TIMNATH             40.53N 104.93W
05/26/2010  M1.25 INCH       WELD               CO   TRAINED SPOTTER

0225 PM     TORNADO          6 ESE BRIGHTON          39.95N 104.69W
05/26/2010                   ADAMS              CO   AMATEUR RADIO

0202 PM     HAIL             10 SSE BRIGHTON         39.85N 104.72W
05/26/2010  M1.25 INCH       DENVER             CO   TRAINED SPOTTER

0153 PM     HAIL             4 S BRIGHTON            39.93N 104.79W
05/26/2010  M2.75 INCH       ADAMS              CO   TRAINED SPOTTER

0151 PM     HAIL             2 SSE BRIGHTON          39.96N 104.78W
05/26/2010  M2.75 INCH       ADAMS              CO   LAW ENFORCEMENT

0151 PM     HAIL             1 NE THORNTON           39.90N 104.95W
05/26/2010  M1.75 INCH       ADAMS              CO   TRAINED SPOTTER

            EXTENSIVE DAMAGE TO ALL TREES IN VICINITY.

0149 PM     TORNADO          3 S BRIGHTON            39.94N 104.79W
05/26/2010                   ADAMS              CO   AMATEUR RADIO

0149 PM     HAIL             COMMERCE CITY           39.81N 104.92W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0148 PM     HAIL             1 SE THORNTON           39.89N 104.95W
05/26/2010  M1.75 INCH       ADAMS              CO   TRAINED SPOTTER

0148 PM     HAIL             5 NE COMMERCE CITY      39.87N 104.86W
05/26/2010  M1.75 INCH       ADAMS              CO   TRAINED SPOTTER

0145 PM     TORNADO          4 W DENVER INTL AIRPORT 39.87N 104.75W
05/26/2010                   ADAMS              CO   PUBLIC

0145 PM     HAIL             1 ESE BRIGHTON          39.98N 104.79W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0145 PM     HAIL             4 NW DENVER INTL AIRPOR 39.91N 104.73W
05/26/2010  M1.75 INCH       ADAMS              CO   NWS EMPLOYEE

0140 PM     HAIL             2 N COMMERCE CITY       39.84N 104.92W
05/26/2010  M1.00 INCH       ADAMS              CO   NWS EMPLOYEE

0133 PM     HAIL             COMMERCE CITY           39.81N 104.92W
05/26/2010  M2.00 INCH       ADAMS              CO   TRAINED SPOTTER

            WINDOW DAMAGE REPORTED

0131 PM     HAIL             7 E THORNTON            39.89N 104.82W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0130 PM     TORNADO          8 SSW BRIGHTON          39.88N 104.85W
05/26/2010                   ADAMS              CO   NWS EMPLOYEE

0130 PM     HAIL             5 SSW BARR LAKE         39.88N 104.81W
05/26/2010  M1.50 INCH       ADAMS              CO   TRAINED SPOTTER

0123 PM     HAIL             5 NE COMMERCE CITY      39.87N 104.86W
05/26/2010  M2.00 INCH       ADAMS              CO   TRAINED SPOTTER

            SEVERAL CAR WINDOWS BUSTED OUT

&&

JK
Local storm report, May 26, 6:13 PM MDT, 2 hours 45 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE DENVER CO
613 PM MDT WED MAY 26 2010

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

0601 PM     HAIL             2 SW WIGGINS            40.21N 104.10W
05/26/2010  M2.00 INCH       MORGAN             CO   TRAINED SPOTTER

            VORTEX 2

0600 PM     HAIL             10 SW DEER TRAIL        39.51N 104.17W
05/26/2010  M1.50 INCH       ELBERT             CO   TRAINED SPOTTER

0544 PM     HAIL             2 SW WIGGINS            40.21N 104.10W
05/26/2010  M1.50 INCH       MORGAN             CO   TRAINED SPOTTER

0535 PM     HAIL             4 W WIGGINS             40.23N 104.15W
05/26/2010  M1.75 INCH       MORGAN             CO   EMERGENCY MNGR

0527 PM     HAIL             5 SW WIGGINS            40.18N 104.14W
05/26/2010  M1.00 INCH       MORGAN             CO   TRAINED SPOTTER

0516 PM     HAIL             14 NE KIOWA             39.46N 104.25W
05/26/2010  M1.50 INCH       ELBERT             CO   TRAINED SPOTTER

0434 PM     HAIL             4 S ROGGEN              40.11N 104.37W
05/26/2010  M2.00 INCH       WELD               CO   TRAINED SPOTTER

            VORTEX 2

0425 PM     HAIL             1 WSW PROSPECT VALLEY   40.07N 104.43W
05/26/2010  M1.75 INCH       WELD               CO   TRAINED SPOTTER

0420 PM     HAIL             PROSPECT VALLEY         40.07N 104.41W
05/26/2010  M2.00 INCH       WELD               CO   STORM CHASER

            VORTEX 2

0332 PM     HAIL             3 E HUDSON              40.07N 104.59W
05/26/2010  M1.50 INCH       WELD               CO   TRAINED SPOTTER

0330 PM     HAIL             5 E LOCHBUIE            40.01N 104.63W
05/26/2010  M1.00 INCH       WELD               CO   TRAINED SPOTTER

            HAIL SIX INCHES DEEP

0314 PM     TSTM WND DMG     4 NW WINDSOR            40.53N 104.96W
05/26/2010                   LARIMER            CO   TRAINED SPOTTER

            MULTIPLE STRUCTURED KNOCKED DOWN AND 15 FOOT SILO BLOWN
            ACROSS THE FIELD

0310 PM     TORNADO          5 SE BRIGHTON           39.93N 104.73W
05/26/2010                   ADAMS              CO   TRAINED SPOTTER

0306 PM     TSTM WND GST     6 SE WELLINGTON         40.64N 104.92W
05/26/2010  E65.00 MPH       WELD               CO   TRAINED SPOTTER

0305 PM     HAIL             5 SSE HUDSON            40.00N 104.61W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0250 PM     HAIL             4 NW WINDSOR            40.53N 104.96W
05/26/2010  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

0245 PM     HAIL             3 E TIMNATH             40.53N 104.93W
05/26/2010  M1.25 INCH       WELD               CO   TRAINED SPOTTER

0225 PM     TORNADO          6 ESE BRIGHTON          39.95N 104.69W
05/26/2010                   ADAMS              CO   AMATEUR RADIO

0202 PM     HAIL             10 SSE BRIGHTON         39.85N 104.72W
05/26/2010  M1.25 INCH       DENVER             CO   TRAINED SPOTTER

0153 PM     HAIL             4 S BRIGHTON            39.93N 104.79W
05/26/2010  M2.75 INCH       ADAMS              CO   TRAINED SPOTTER

0151 PM     HAIL             1 NE THORNTON           39.90N 104.95W
05/26/2010  M1.75 INCH       ADAMS              CO   TRAINED SPOTTER

            EXTENSIVE DAMAGE TO ALL TREES IN VICINITY.

0151 PM     HAIL             2 SSE BRIGHTON          39.96N 104.78W
05/26/2010  M2.75 INCH       ADAMS              CO   LAW ENFORCEMENT

0149 PM     HAIL             COMMERCE CITY           39.81N 104.92W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0149 PM     TORNADO          3 S BRIGHTON            39.94N 104.79W
05/26/2010                   ADAMS              CO   AMATEUR RADIO

0148 PM     HAIL             5 NE COMMERCE CITY      39.87N 104.86W
05/26/2010  M1.75 INCH       ADAMS              CO   TRAINED SPOTTER

0148 PM     HAIL             1 SE THORNTON           39.89N 104.95W
05/26/2010  M1.75 INCH       ADAMS              CO   TRAINED SPOTTER

0145 PM     TORNADO          4 W DENVER INTL AIRPORT 39.87N 104.75W
05/26/2010                   ADAMS              CO   PUBLIC

0145 PM     HAIL             4 NW DENVER INTL AIRPOR 39.91N 104.73W
05/26/2010  M1.75 INCH       ADAMS              CO   NWS EMPLOYEE

0145 PM     HAIL             1 ESE BRIGHTON          39.98N 104.79W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0140 PM     HAIL             2 N COMMERCE CITY       39.84N 104.92W
05/26/2010  M1.00 INCH       ADAMS              CO   NWS EMPLOYEE

0133 PM     HAIL             COMMERCE CITY           39.81N 104.92W
05/26/2010  M2.00 INCH       ADAMS              CO   TRAINED SPOTTER

            WINDOW DAMAGE REPORTED

0131 PM     HAIL             7 E THORNTON            39.89N 104.82W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0130 PM     TORNADO          8 SSW BRIGHTON          39.88N 104.85W
05/26/2010                   ADAMS              CO   NWS EMPLOYEE

0130 PM     HAIL             5 SSW BARR LAKE         39.88N 104.81W
05/26/2010  M1.50 INCH       ADAMS              CO   TRAINED SPOTTER

0123 PM     HAIL             5 NE COMMERCE CITY      39.87N 104.86W
05/26/2010  M2.00 INCH       ADAMS              CO   TRAINED SPOTTER

            SEVERAL CAR WINDOWS BUSTED OUT

&&

JK
Local storm report, May 26, 6:25 PM MDT, 2 hours 33 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
625 PM MDT WED MAY 26 2010

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

0621 PM     HAIL             5 NE WIGGINS            40.27N 104.00W
05/26/2010  M1.50 INCH       MORGAN             CO   TRAINED SPOTTER

0601 PM     HAIL             2 SW WIGGINS            40.21N 104.10W
05/26/2010  M2.00 INCH       MORGAN             CO   TRAINED SPOTTER

            VORTEX 2

0600 PM     HAIL             10 SW DEER TRAIL        39.51N 104.17W
05/26/2010  M1.50 INCH       ELBERT             CO   TRAINED SPOTTER

0544 PM     HAIL             2 SW WIGGINS            40.21N 104.10W
05/26/2010  M1.50 INCH       MORGAN             CO   TRAINED SPOTTER

0535 PM     HAIL             4 W WIGGINS             40.23N 104.15W
05/26/2010  M1.75 INCH       MORGAN             CO   EMERGENCY MNGR

0527 PM     HAIL             5 SW WIGGINS            40.18N 104.14W
05/26/2010  M1.00 INCH       MORGAN             CO   TRAINED SPOTTER

0516 PM     HAIL             14 NE KIOWA             39.46N 104.25W
05/26/2010  M1.50 INCH       ELBERT             CO   TRAINED SPOTTER

0434 PM     HAIL             4 S ROGGEN              40.11N 104.37W
05/26/2010  M2.00 INCH       WELD               CO   TRAINED SPOTTER

            VORTEX 2

0425 PM     HAIL             1 WSW PROSPECT VALLEY   40.07N 104.43W
05/26/2010  M1.75 INCH       WELD               CO   TRAINED SPOTTER

0420 PM     HAIL             PROSPECT VALLEY         40.07N 104.41W
05/26/2010  M2.00 INCH       WELD               CO   STORM CHASER

            VORTEX 2

0332 PM     HAIL             3 E HUDSON              40.07N 104.59W
05/26/2010  M1.50 INCH       WELD               CO   TRAINED SPOTTER

0330 PM     HAIL             5 E LOCHBUIE            40.01N 104.63W
05/26/2010  M1.00 INCH       WELD               CO   TRAINED SPOTTER

            HAIL SIX INCHES DEEP

0314 PM     TSTM WND DMG     4 NW WINDSOR            40.53N 104.96W
05/26/2010                   LARIMER            CO   TRAINED SPOTTER

            MULTIPLE STRUCTURED KNOCKED DOWN AND 15 FOOT SILO BLOWN
            ACROSS THE FIELD

0310 PM     TORNADO          5 SE BRIGHTON           39.93N 104.73W
05/26/2010                   ADAMS              CO   TRAINED SPOTTER

0306 PM     TSTM WND GST     6 SE WELLINGTON         40.64N 104.92W
05/26/2010  E65.00 MPH       WELD               CO   TRAINED SPOTTER

0305 PM     HAIL             5 SSE HUDSON            40.00N 104.61W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0250 PM     HAIL             4 NW WINDSOR            40.53N 104.96W
05/26/2010  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

0245 PM     HAIL             3 E TIMNATH             40.53N 104.93W
05/26/2010  M1.25 INCH       WELD               CO   TRAINED SPOTTER

0225 PM     TORNADO          6 ESE BRIGHTON          39.95N 104.69W
05/26/2010                   ADAMS              CO   AMATEUR RADIO

0202 PM     HAIL             10 SSE BRIGHTON         39.85N 104.72W
05/26/2010  M1.25 INCH       DENVER             CO   TRAINED SPOTTER

0153 PM     HAIL             4 S BRIGHTON            39.93N 104.79W
05/26/2010  M2.75 INCH       ADAMS              CO   TRAINED SPOTTER

0151 PM     HAIL             2 SSE BRIGHTON          39.96N 104.78W
05/26/2010  M2.75 INCH       ADAMS              CO   LAW ENFORCEMENT

0151 PM     HAIL             1 NE THORNTON           39.90N 104.95W
05/26/2010  M1.75 INCH       ADAMS              CO   TRAINED SPOTTER

            EXTENSIVE DAMAGE TO ALL TREES IN VICINITY.

0149 PM     TORNADO          3 S BRIGHTON            39.94N 104.79W
05/26/2010                   ADAMS              CO   AMATEUR RADIO

0149 PM     HAIL             COMMERCE CITY           39.81N 104.92W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0148 PM     HAIL             1 SE THORNTON           39.89N 104.95W
05/26/2010  M1.75 INCH       ADAMS              CO   TRAINED SPOTTER

0148 PM     HAIL             5 NE COMMERCE CITY      39.87N 104.86W
05/26/2010  M1.75 INCH       ADAMS              CO   TRAINED SPOTTER

0145 PM     TORNADO          4 W DENVER INTL AIRPORT 39.87N 104.75W
05/26/2010                   ADAMS              CO   PUBLIC

0145 PM     HAIL             1 ESE BRIGHTON          39.98N 104.79W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0145 PM     HAIL             4 NW DENVER INTL AIRPOR 39.91N 104.73W
05/26/2010  M1.75 INCH       ADAMS              CO   NWS EMPLOYEE

0140 PM     HAIL             2 N COMMERCE CITY       39.84N 104.92W
05/26/2010  M1.00 INCH       ADAMS              CO   NWS EMPLOYEE

0133 PM     HAIL             COMMERCE CITY           39.81N 104.92W
05/26/2010  M2.00 INCH       ADAMS              CO   TRAINED SPOTTER

            WINDOW DAMAGE REPORTED

0131 PM     HAIL             7 E THORNTON            39.89N 104.82W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0130 PM     TORNADO          8 SSW BRIGHTON          39.88N 104.85W
05/26/2010                   ADAMS              CO   NWS EMPLOYEE

0130 PM     HAIL             5 SSW BARR LAKE         39.88N 104.81W
05/26/2010  M1.50 INCH       ADAMS              CO   TRAINED SPOTTER

0123 PM     HAIL             5 NE COMMERCE CITY      39.87N 104.86W
05/26/2010  M2.00 INCH       ADAMS              CO   TRAINED SPOTTER

            SEVERAL CAR WINDOWS BUSTED OUT

&&

JK
Local storm report, May 26, 7:31 PM MDT, 1 hour 27 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
731 PM MDT WED MAY 26 2010

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

0724 PM     HAIL             8 N FORT MORGAN         40.38N 103.79W
05/26/2010  M2.00 INCH       MORGAN             CO   TRAINED SPOTTER

0621 PM     HAIL             5 NE WIGGINS            40.27N 104.00W
05/26/2010  M1.50 INCH       MORGAN             CO   TRAINED SPOTTER

0614 PM     HAIL             3 W WIGGINS             40.23N 104.13W
05/26/2010  M2.00 INCH       MORGAN             CO   TRAINED SPOTTER

            HAIL TWO INCHES DEEP

0610 PM     HAIL             WIGGINS                 40.23N 104.07W
05/26/2010  M1.00 INCH       MORGAN             CO   TRAINED SPOTTER

0601 PM     HAIL             2 SW WIGGINS            40.21N 104.10W
05/26/2010  M2.00 INCH       MORGAN             CO   TRAINED SPOTTER

            VORTEX 2

0600 PM     HAIL             10 SW DEER TRAIL        39.51N 104.17W
05/26/2010  M1.50 INCH       ELBERT             CO   TRAINED SPOTTER

0544 PM     HAIL             2 SW WIGGINS            40.21N 104.10W
05/26/2010  M1.50 INCH       MORGAN             CO   TRAINED SPOTTER

0535 PM     HAIL             4 W WIGGINS             40.23N 104.15W
05/26/2010  M1.75 INCH       MORGAN             CO   EMERGENCY MNGR

0527 PM     HAIL             5 SW WIGGINS            40.18N 104.14W
05/26/2010  M1.00 INCH       MORGAN             CO   TRAINED SPOTTER

0516 PM     HAIL             14 NE KIOWA             39.46N 104.25W
05/26/2010  M1.50 INCH       ELBERT             CO   TRAINED SPOTTER

0434 PM     HAIL             4 S ROGGEN              40.11N 104.37W
05/26/2010  M2.00 INCH       WELD               CO   TRAINED SPOTTER

            VORTEX 2

0425 PM     HAIL             1 WSW PROSPECT VALLEY   40.07N 104.43W
05/26/2010  M1.75 INCH       WELD               CO   TRAINED SPOTTER

0420 PM     HAIL             PROSPECT VALLEY         40.07N 104.41W
05/26/2010  M2.00 INCH       WELD               CO   STORM CHASER

            VORTEX 2

0332 PM     HAIL             3 E HUDSON              40.07N 104.59W
05/26/2010  M1.50 INCH       WELD               CO   TRAINED SPOTTER

0330 PM     HAIL             5 E LOCHBUIE            40.01N 104.63W
05/26/2010  M1.00 INCH       WELD               CO   TRAINED SPOTTER

            HAIL SIX INCHES DEEP

0314 PM     TSTM WND DMG     4 NW WINDSOR            40.53N 104.96W
05/26/2010                   LARIMER            CO   TRAINED SPOTTER

            MULTIPLE STRUCTURED KNOCKED DOWN AND 15 FOOT SILO BLOWN
            ACROSS THE FIELD

0310 PM     TORNADO          5 SE BRIGHTON           39.93N 104.73W
05/26/2010                   ADAMS              CO   TRAINED SPOTTER

0306 PM     TSTM WND GST     6 SE WELLINGTON         40.64N 104.92W
05/26/2010  E65.00 MPH       WELD               CO   TRAINED SPOTTER

0305 PM     HAIL             5 SSE HUDSON            40.00N 104.61W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0250 PM     HAIL             4 NW WINDSOR            40.53N 104.96W
05/26/2010  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

0245 PM     HAIL             3 E TIMNATH             40.53N 104.93W
05/26/2010  M1.25 INCH       WELD               CO   TRAINED SPOTTER

0225 PM     TORNADO          6 ESE BRIGHTON          39.95N 104.69W
05/26/2010                   ADAMS              CO   AMATEUR RADIO

0202 PM     HAIL             10 SSE BRIGHTON         39.85N 104.72W
05/26/2010  M1.25 INCH       DENVER             CO   TRAINED SPOTTER

0153 PM     HAIL             4 S BRIGHTON            39.93N 104.79W
05/26/2010  M2.75 INCH       ADAMS              CO   TRAINED SPOTTER

0151 PM     HAIL             1 NE THORNTON           39.90N 104.95W
05/26/2010  M1.75 INCH       ADAMS              CO   TRAINED SPOTTER

            EXTENSIVE DAMAGE TO ALL TREES IN VICINITY.

0151 PM     HAIL             2 SSE BRIGHTON          39.96N 104.78W
05/26/2010  M2.75 INCH       ADAMS              CO   LAW ENFORCEMENT

0149 PM     TORNADO          3 S BRIGHTON            39.94N 104.79W
05/26/2010                   ADAMS              CO   AMATEUR RADIO

0149 PM     HAIL             COMMERCE CITY           39.81N 104.92W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0148 PM     HAIL             1 SE THORNTON           39.89N 104.95W
05/26/2010  M1.75 INCH       ADAMS              CO   TRAINED SPOTTER

0148 PM     HAIL             5 NE COMMERCE CITY      39.87N 104.86W
05/26/2010  M1.75 INCH       ADAMS              CO   TRAINED SPOTTER

0145 PM     HAIL             1 ESE BRIGHTON          39.98N 104.79W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0145 PM     HAIL             4 NW DENVER INTL AIRPOR 39.91N 104.73W
05/26/2010  M1.75 INCH       ADAMS              CO   NWS EMPLOYEE

0145 PM     TORNADO          4 W DENVER INTL AIRPORT 39.87N 104.75W
05/26/2010                   ADAMS              CO   PUBLIC

0140 PM     HAIL             2 N COMMERCE CITY       39.84N 104.92W
05/26/2010  M1.00 INCH       ADAMS              CO   NWS EMPLOYEE

0133 PM     HAIL             COMMERCE CITY           39.81N 104.92W
05/26/2010  M2.00 INCH       ADAMS              CO   TRAINED SPOTTER

            WINDOW DAMAGE REPORTED

0131 PM     HAIL             7 E THORNTON            39.89N 104.82W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0130 PM     HAIL             5 SSW BARR LAKE         39.88N 104.81W
05/26/2010  M1.50 INCH       ADAMS              CO   TRAINED SPOTTER

0130 PM     TORNADO          8 SSW BRIGHTON          39.88N 104.85W
05/26/2010                   ADAMS              CO   NWS EMPLOYEE

0123 PM     HAIL             5 NE COMMERCE CITY      39.87N 104.86W
05/26/2010  M2.00 INCH       ADAMS              CO   TRAINED SPOTTER

            SEVERAL CAR WINDOWS BUSTED OUT

&&

JK
Local storm report, May 26, 8:52 PM MDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
852 PM MDT WED MAY 26 2010

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

0840 PM     HAIL             4 SSE HUDSON            40.02N 104.60W
05/26/2010  M1.00 INCH       WELD               CO   TRAINED SPOTTER

0817 PM     HAIL             1 WSW BROOMFIELD        39.93N 105.08W
05/26/2010  M0.75 INCH       BROOMFIELD         CO   TRAINED SPOTTER

0724 PM     HAIL             8 N FORT MORGAN         40.38N 103.79W
05/26/2010  M2.00 INCH       MORGAN             CO   TRAINED SPOTTER

0621 PM     HAIL             5 NE WIGGINS            40.27N 104.00W
05/26/2010  M1.50 INCH       MORGAN             CO   TRAINED SPOTTER

0614 PM     HAIL             3 W WIGGINS             40.23N 104.13W
05/26/2010  M2.00 INCH       MORGAN             CO   TRAINED SPOTTER

            HAIL TWO INCHES DEEP

0610 PM     HAIL             WIGGINS                 40.23N 104.07W
05/26/2010  M1.00 INCH       MORGAN             CO   TRAINED SPOTTER

0601 PM     HAIL             2 SW WIGGINS            40.21N 104.10W
05/26/2010  M2.00 INCH       MORGAN             CO   TRAINED SPOTTER

            VORTEX 2

0600 PM     HAIL             10 SW DEER TRAIL        39.51N 104.17W
05/26/2010  M1.50 INCH       ELBERT             CO   TRAINED SPOTTER

0544 PM     HAIL             2 SW WIGGINS            40.21N 104.10W
05/26/2010  M1.50 INCH       MORGAN             CO   TRAINED SPOTTER

0535 PM     HAIL             4 W WIGGINS             40.23N 104.15W
05/26/2010  M1.75 INCH       MORGAN             CO   EMERGENCY MNGR

0527 PM     HAIL             5 SW WIGGINS            40.18N 104.14W
05/26/2010  M1.00 INCH       MORGAN             CO   TRAINED SPOTTER

0516 PM     HAIL             14 NE KIOWA             39.46N 104.25W
05/26/2010  M1.50 INCH       ELBERT             CO   TRAINED SPOTTER

0434 PM     HAIL             4 S ROGGEN              40.11N 104.37W
05/26/2010  M2.00 INCH       WELD               CO   TRAINED SPOTTER

            VORTEX 2

0425 PM     HAIL             1 WSW PROSPECT VALLEY   40.07N 104.43W
05/26/2010  M1.75 INCH       WELD               CO   TRAINED SPOTTER

0420 PM     HAIL             PROSPECT VALLEY         40.07N 104.41W
05/26/2010  M2.00 INCH       WELD               CO   STORM CHASER

            VORTEX 2

0332 PM     HAIL             3 E HUDSON              40.07N 104.59W
05/26/2010  M1.50 INCH       WELD               CO   TRAINED SPOTTER

0330 PM     HAIL             5 E LOCHBUIE            40.01N 104.63W
05/26/2010  M1.00 INCH       WELD               CO   TRAINED SPOTTER

            HAIL SIX INCHES DEEP

0314 PM     TSTM WND DMG     4 NW WINDSOR            40.53N 104.96W
05/26/2010                   LARIMER            CO   TRAINED SPOTTER

            MULTIPLE STRUCTURED KNOCKED DOWN AND 15 FOOT SILO BLOWN
            ACROSS THE FIELD

0310 PM     TORNADO          5 SE BRIGHTON           39.93N 104.73W
05/26/2010                   ADAMS              CO   TRAINED SPOTTER

0306 PM     TSTM WND GST     6 SE WELLINGTON         40.64N 104.92W
05/26/2010  E65.00 MPH       WELD               CO   TRAINED SPOTTER

0305 PM     HAIL             5 SSE HUDSON            40.00N 104.61W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0250 PM     HAIL             4 NW WINDSOR            40.53N 104.96W
05/26/2010  M1.00 INCH       LARIMER            CO   TRAINED SPOTTER

0245 PM     HAIL             3 E TIMNATH             40.53N 104.93W
05/26/2010  M1.25 INCH       WELD               CO   TRAINED SPOTTER

0225 PM     TORNADO          6 ESE BRIGHTON          39.95N 104.69W
05/26/2010                   ADAMS              CO   AMATEUR RADIO

0202 PM     HAIL             10 SSE BRIGHTON         39.85N 104.72W
05/26/2010  M1.25 INCH       DENVER             CO   TRAINED SPOTTER

0153 PM     HAIL             4 S BRIGHTON            39.93N 104.79W
05/26/2010  M2.75 INCH       ADAMS              CO   TRAINED SPOTTER

0151 PM     HAIL             1 NE THORNTON           39.90N 104.95W
05/26/2010  M1.75 INCH       ADAMS              CO   TRAINED SPOTTER

            EXTENSIVE DAMAGE TO ALL TREES IN VICINITY.

0151 PM     HAIL             2 SSE BRIGHTON          39.96N 104.78W
05/26/2010  M2.75 INCH       ADAMS              CO   LAW ENFORCEMENT

0149 PM     TORNADO          3 S BRIGHTON            39.94N 104.79W
05/26/2010                   ADAMS              CO   AMATEUR RADIO

0149 PM     HAIL             COMMERCE CITY           39.81N 104.92W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0148 PM     HAIL             5 NE COMMERCE CITY      39.87N 104.86W
05/26/2010  M1.75 INCH       ADAMS              CO   TRAINED SPOTTER

0148 PM     HAIL             1 SE THORNTON           39.89N 104.95W
05/26/2010  M1.75 INCH       ADAMS              CO   TRAINED SPOTTER

0145 PM     TORNADO          4 W DENVER INTL AIRPORT 39.87N 104.75W
05/26/2010                   ADAMS              CO   PUBLIC

0145 PM     HAIL             1 ESE BRIGHTON          39.98N 104.79W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0145 PM     HAIL             4 NW DENVER INTL AIRPOR 39.91N 104.73W
05/26/2010  M1.75 INCH       ADAMS              CO   NWS EMPLOYEE

0140 PM     HAIL             2 N COMMERCE CITY       39.84N 104.92W
05/26/2010  M1.00 INCH       ADAMS              CO   NWS EMPLOYEE

0133 PM     HAIL             COMMERCE CITY           39.81N 104.92W
05/26/2010  M2.00 INCH       ADAMS              CO   TRAINED SPOTTER

            WINDOW DAMAGE REPORTED

0131 PM     HAIL             7 E THORNTON            39.89N 104.82W
05/26/2010  M1.00 INCH       ADAMS              CO   TRAINED SPOTTER

0130 PM     HAIL             5 SSW BARR LAKE         39.88N 104.81W
05/26/2010  M1.50 INCH       ADAMS              CO   TRAINED SPOTTER

0130 PM     TORNADO          8 SSW BRIGHTON          39.88N 104.85W
05/26/2010                   ADAMS              CO   NWS EMPLOYEE

0123 PM     HAIL             5 NE COMMERCE CITY      39.87N 104.86W
05/26/2010  M2.00 INCH       ADAMS              CO   TRAINED SPOTTER

            SEVERAL CAR WINDOWS BUSTED OUT

&&

JK

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 26, 6:14 PM MDTTornado WarningBOUArapahoe, Elbert19 min
May 26, 6:46 PM MDTSevere Thunderstorm WarningBOUMorgan59 min
May 26, 7:10 PM MDTSevere Thunderstorm WarningBOUAdams, Denver50 min
May 26, 7:39 PM MDTSevere Thunderstorm WarningBOUWeld51 min
May 26, 7:45 PM MDTAreal Flood AdvisoryBOUAdams, Denver90 min
May 26, 7:51 PM MDTSevere Thunderstorm WarningBOULogan, Morgan, Weld27 min
May 26, 8:20 PM MDTSevere Thunderstorm WarningBOUAdams, Broomfield, Weld40 min
May 26, 8:30 PM MDTSevere Thunderstorm WarningBOUAdams, Weld45 min
May 26, 9:02 PM MDTSevere Thunderstorm WarningBOUBoulder, Broomfield, Weld43 min
May 27, 1:06 AM MDTSpecial Weather StatementBOULogan24 min
May 27, 1:56 AM MDTSpecial Weather StatementBOULogan34 min

Nearby

Flash Flood Warnings in Colorado, 2010Every flash flood warning in 2010

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.