Suppression Forecast
Issued by NWS Des Moines, IA

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
000
FNUS73 KDMX 210928
FWSDMX

SPOT FORECAST FOR PLC EAST...USFWS
NATIONAL WEATHER SERVICE DES MOINES IA
428 AM CDT MON APR 21 2014

FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 21. IF
CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

AN INITIAL OBSERVATION AT IGNITION AND A MID BURN OBSERVATION
ARE REQUIRED...PLEASE RELAY THEM TO THE NATIONAL WEATHER SERVICE
FOR EACH PRESCRIBED BURN.

.DISCUSSION...
PERIODS OF SHOWERS AND ISOLATED THUNDERSTORMS ARE EXPECTED
THROUGH THE MORNING HOURS TODAY. THE SHOWER ACTIVITY LOOKS TO
NEAR OR BE JUST EAST OF THE BURN SITE AT IGNITION TIME. A
COLD FRONT WILL PUSH ACROSS THE STATE AND BRING GUSTY
NORTHWEST WINDS AND DRIER AIR INTO THE AREA BY THIS AFTERNOON.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
                    MOSTLY SUNNY (35-45 PERCENT). RAIN SHOWERS
                    LIKELY IN THE MORNING. ISOLATED THUNDERSTORMS
                    THROUGH THE DAY. SCATTERED RAIN SHOWERS IN THE
                    AFTERNOON.
TEMPERATURE.........72 AT IGNITION...MAX 75.
RH..................59 PERCENT AT IGNITION...MIN 38 PERCENT.
EYE LEVEL WINDS.....NORTHWEST WINDS 7 TO 16 MPH INCREASING TO
                    AROUND 17 MPH LATE IN THE AFTERNOON.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1900 FT AGL INCREASING TO 6500 FT AGL.
MIXING WINDS........WEST 6 TO 15 MPH INCREASING TO NORTHWEST 17 TO
                    25 MPH EARLY IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO GOOD (1300-40000 KNOT-FT) INCREASING TO
                    EXCELLENT TO EXCELLENT (115400-144700 KNOT-FT).
WIND (20 FT)........WINDS WEST AT 10 MPH AT IGNITION...OTHERWISE
                    NORTHWEST WINDS 7 TO 16 MPH INCREASING TO
                    AROUND 17 MPH LATE IN THE AFTERNOON. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS UNTIL
                    LATE AFTERNOON.

TIME (CDT)      12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........84  83  73  53  43  35
WEATHER COV.....SCT SCT SCT
WEATHER TYPE....RW  RW  RW
TSTM COV........ISO ISO ISO
TEMP............72  74  74  74  74  72
RH..............59  55  53  50  48  46
20 FT WIND DIR..W   W   NW  NW  NW  N
20 FT WIND SPD..10  12  14  16  17  17
20 FT WIND GUST.15  15  20  20  25  25
EYE LVL WND DIR.W   W   NW  NW  NW  N
EYE LVL WND SPD.7   9   10  11  12  12
EYE LVL WND GST.15  15  20  20  25  25
MIX HGT (KFT)...5.0 6.5 6.5 6.5 6.5 6.5
MIXNG WIND DIR..W   NW  NW  NW  N   N
MIXNG WIND SPD..14  15  17  21  23  25
HAINES INDEX....3   3   3   3   3   3

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
TEMPERATURE.........MIN 43.
RH..................MAX 79 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 10 TO 17 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......6500 FT AGL DECREASING TO 400 FT AGL.
MIXING WINDS........NORTH 22 TO 26 MPH DECREASING TO 9 TO 16 MPH IN
                    THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....EXCELLENT TO EXCELLENT (85600-153200 KNOT-FT)
                    DECREASING TO POOR TO GOOD (2600-33700 KNOT-FT)
                    IN THE LATE EVENING AND OVERNIGHT.
WIND (20 FT)........NORTH WINDS 10 TO 17 MPH.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........19     8      0      0      0      0
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............71     66     58     53     51     47
RH..............41     42     53     61     66     74
20 FT WIND......N 17   N 15   N 13   N 12   N 12   N 10
20 FT WIND GUST.25     20     15     15
EYE LEVEL WIND..N 12   N 11   N 9    N 9    N 9    N 7
EYE LVL WND GST.25     20     15     15
MIX HGT (FT)....6500   4500   300    300    400    400
MIXNG WIND......N 26   N 22   N 12   N 10   N 12   N 10
HAINES INDEX....4      4      3      3      3      4

.TUESDAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT).
TEMPERATURE.........MAX 66.
RH..................MIN 32 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 8 TO 10 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1900 FT AGL INCREASING TO 5900 FT AGL.
MIXING WINDS........NORTH 8 TO 15 MPH DECREASING TO AROUND 7 MPH
                    LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO GOOD (1800-53600 KNOT-FT) INCREASING TO
                    GOOD TO GOOD (33500-58900 KNOT-FT) IN THE
                    AFTERNOON.
WIND (20 FT)........NORTH WINDS 8 TO 10 MPH.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........1         10        16        19
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TSTM COV........
TEMP............43        49        58        65
RH..............79        63        45        34
20 FT WIND......N 10      N 10      N 9G10    N 8G10
EYE LEVEL WIND..N 7G10    N 7G10    N 6G10    N 6G10
MIX HGT (FT)....300       1900      4200      5600
MIXNG WIND......N 8       N 15      N 16      N 10
HAINES INDEX....4         3         3         3

$$
FORECASTER...PODRAZIK
REQUESTED BY...JIM KRIZMAN FMS
TYPE OF REQUEST...PRESCRIBED
.TAG 20140421.PLCEA.01/DMX



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.