Suppression Forecast
Issued by NWS St. Louis, MO

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10
000
FNUS73 KLSX 221959
FWSLSX

Spot Forecast for Two Rivers Savannah...USFWS
National Weather Service Saint Louis MO
159 PM CST Wed Feb 22 2017

Forecast is based on ignition time of 0800 CST on February 23.
If conditions become unrepresentative, contact the
National Weather Service.

.DISCUSSION...

A cold front will linger north of the area during the day Thursday.
Winds remain from the south/southwest at around 5 mph. 10 hour fuels
will likely be in the 11 to 15 percent range. Friday will have lower
relative humidity and higher wind speeds.

.THURSDAY...

Sky/weather.........Cloudy (85-95 percent).
Chance of pcpn......10 percent.
LAL.................No Tstms.
Temperature.........53 at ignition...Max 70.
RH..................93 percent at ignition...Min 60 percent.
Wind (20 ft)........Winds east at 2 mph at ignition...otherwise
                    Light winds becoming southeast 6 to 10 mph in
                    the afternoon.
Eye level winds.....Light winds...otherwise becoming southeast
2 to 4 mph in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......800 ft AGL at ignition,
                    4000 ft AGL at max heating.
Transport winds.....South around 12 mph.
Smoke dispersal.....Poor (6250 m/s-m) at max heating.

TIME (CST)      8 AM   10 AM  NOON   2 PM   4 PM   6 PM
Sky (%).........88     91     92     88     86     75
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............10     10     10     10     10     10
LAL.............1      1      1      1      1      1
Temp............53     59     64     69     69     65
RH..............93     83     73     63     63     68
20 ft wind......E 2    SE 3   SE 4   SE 7   SE 9   SE 10
20 ft wind gust.5      5      10     10     15     15

.THURSDAY NIGHT...

Sky/weather.........Mostly cloudy (65-75 percent).
Chance of pcpn......10 percent.
LAL.................No Tstms.
Temperature.........Min 56.
RH..................Max 92 percent.
Wind (20 ft)........South winds 10 to 12 mph.
Eye level winds.....South winds 4 to 5 mph.
Haines Index........N/A.
Mixing height.......N/A.
Transport winds.....N/A.
Smoke dispersal.....N/A.

.FRIDAY...

Sky/weather.........Mostly sunny (40-50 percent).
Chance of pcpn......10 percent.
LAL.................No Tstms.
Temperature.........Max 75.
RH..................Min 22 percent.
Wind (20 ft)........Southwest winds 10 to 17 mph with gusts to
                    around 35 mph.
Eye level winds.....Souhtwest winds at 4 to 6 mph with gusts at 14 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......8000 ft AGL at max heating.
Transport winds.....Southwest around 37 mph.
Smoke dispersal.....Excellent (40190 m/s-m) at max heating.

$$

Forecaster...Walsh
Requested by...Thad Herzberger
Type of request...PRESCRIBED
.TAG 1702637.0/LSX



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